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China wholesaler PG PGA series Planetary Gearbox Replacement of Comer Industries PG101 PG102 PG103 PG104 PGA102 PGA103 PGA104 near me manufacturer

Overview of PG PGA series Planetary Gearbox

The PG planetary gear unit is divided into 21 primary groups according to the different torques to be transmitted to the output shaft, and the torque range is from 0.05 to 1.280 km. The modular structure of the product allows the connection of bevel gears, worm gears, hydraulic brakes, and various input shafts to planetary units. It provides a variety of connection flange options for hydraulic or electric motors. Another advantage of the modular structure technology of planetary gear units is that a series of stages with different sizes can be installed to obtain a wide range of reduction ratios. The product series provides a reduction ratio from 3:1 to 7:1 on single-stage units and up to 10.000:1 or higher on five-stage units.

  • Characteristic:
    -Planetary gearbox
    -In line and bevel stages
    -Torque range: from 0.05 to 1.280 km
    -Connecting flange for hydraulic or electric motor

Parameter of PG PGA series Planetary Gearbox

Model Ratio Range Max. Cont. input speed RPM Max. Cont. output speed RPM Thermal Rating Kw
PG 101 3.55:1 – 8.67:1 2800 1110 12
PG 102 12.6:1 – 45.5:1 2800 1110 8
PG 103 58.5:1 – 394.8:1 2800 1110 5
PG 104 337.3:1 – 3422.1:1 2800 1110 1.5

Max continuous output torque may go up or down depending on ratios used and service life required

Application of PG PGA series Planetary Gearbox

  • Slewing
  • Winding
  • Mining Operations
  • Wheel Drives
  • Concrete Mixing
  • Industry: Construction Equipment, Cranes, Material Handling, Steel.

Other Types of Planetary Gearboxes

Gear Speed Reducer for Tracked Vehicle Gear Speed Reducer for Winch Planetary Gear Reducer for Wheeled Vehicle
Planetary Slewing Drive Gear Speed Reducer for Wind Turbines Inline Planetary Gear Reducer
Right Angle Gear Drives Power Wheel Planetary Gear Drive Feed Mixer Drive


Planetary Gearbox Manufacturer

Ever-power is an enterprise specializing in producing planetary reducer/gearbox. We have developed tens of thousands of specifications of planetary reducer/gearbox, driving drive, slewing drive, and winch drive. The transmission ratio range is 3.3 ~ 9000, and the output torque range is 500 ~ 1200000n m。 The installation, size, and performance parameters of the reducer are precisely the same as those of famous European brands and can be replaced entirely and interchanged.

We have the most advanced testing equipment, such as a spectrum analyzer for chemical composition testing of rubber materials, tensile strength testing machine, impact value tester and hardness tester, magnetic particle flaw detector, sand blasting machine, and heat treatment equipment. In addition, the precision machining workshop has much-advanced equipment: 23 CNC lathes, 10 vertical CNC boring and milling centers imported from Korea and 1 horizontal boring and milling center, 2 ordinary milling machines, 2 ordinary lathes, 1 grinder, 10 drilling machines, and taps, 2 semi-automatic saws, 1 coordinate measuring machine, 1 projector, 1 processing surface quality testing machine, and 1 mahr altimeter. The tolerance of our products can be controlled below 0.01mm. The accuracy of the testing machine is within 0.005mm. ISO9000 has been implemented. Raw materials include waxless castings and forgings of steel, alloy steel, and ductile iron. All parts will be tested for material chemical composition, strength, and elongation. 80% of our products are exported to North America and European countries. The products apply to hydraulic cylinders, truck brakes, and engines, such as truck hydraulic cylinder ends, connecting rods, pistons, connecting rods, oil valves, oil seals, rubber seals, and brake valves. At present, we are providing truck brake parts for Pac brake. Some of our major customers are Hunter engineering, Rocore, gloss, tiger, tribal, fusion, Emerson, etc.

Additional information



China Good quality GFT-W Series Planetary Gearbox Replace Bosch Rexroth GFT13W2 GFT17W2 GFT17W3 GFT24W2 GFT26W2 GFT36W3 GFT40W2GFT50W3 GFT60W3 GFT80W3 GFT110W3 GFT160W3 GFT220W3 GFT330W3 near me factory

The Models We Can Replace


The hydraulic winch driving mobile GFT-W is an ideal driving part of the winch. They work perfectly in the most demanding applications and under harsh operating conditions. Mobile GFT-W winch drives are used for various winches – Mobile and crawler cranes, railway cranes, shipboard, dock, and container cranes. Due to its compact design, the gear unit can be installed in the wire rope drum in a space-saving manner. They are designed to facilitate installation and maintenance. The high-quality manufacturing process and case hardened gears and hardened tempered. Case hardened gear rings ensure excellent load-carrying capacity, operational safety, and low noise operating characteristics.
The gear teeth are designed according to the standard specifications, and our strength calculations are developed based on our comprehensive technical knowledge and best adapted to our manufacturing process. Our hydraulic motors provide the best working efficiency for the driving device.

Features of GFT-W Series Planetary Gearbox

  • For direct installation in winch drums, e.g., for crane applications
  • Two- or three-stage planetary gearbox
  • Rope pull force 50 … 684 kN
  • Torque output 9500 … 325000 Nm
  • Compact and space-saving planetary gearbox design
  • The planetary gear adopts a complete set of bearings
  • Robust bearing system to absorb the force exerted by the bearing, the rope broke
  •  Easy to assemble,  Easy oil change
  •  Integrated static multi-disc parking brake
  •  Low noise operation

Parameter of  GFT-W Series Planetary Gearbox

Output torque 1)
T2 max
Rope pull max. 2)
Gear ratio
GFT 17 W2 14000 67 37,6 – 54
GFT 17 W3 14000 74 77,9 – 102,6
GFT 24 W3 19000 99 90,1 – 137,2
GFT 26 W2 18000 84 42,9 – 62
GFT 36 W2 26000 118 67 – 138,8
GFT 40 W2 27000 108 35,9 – 59,1
GFT 50 W2 37500 150 84,2 – 125,6
GFT 60 W2 42500 164 63,8 – 94,8
GFT 80 W2 67000 231 61,3 – 215
GFT 110 W2 100000 300 79,5 – 173,9
GFT 160 W2 140000 373 133 – 251
GFT 220 W2 200000 471 97,7 – 293
GFT 330 W2 275000 595 168,9 – 252
GFT 450 W2 325000 684 293,4 • 421,7

About Us

HZPT is a professional manufacturer of planetary reducers/gearboxes. Currently, we have developed tens.
Thousands of specifications of planetary reducer/gearbox, travel drive, swing drive, and winch drive. The ratio range is 3.3 ~ 9000, and the output torque range is 500 ~ 1200000n. M. Installation, size, and performance parameters of reducer.
It is identical to famous European brands and can be replaced entirely and interchanged.
Details are as follows:
Bonfiglioli (300 series, 700C series, 700T series, 600W Series)
Brevini (EM, ED, et, EQ, EC, PD, PDA, CTD, CTU, SL type)
Dinami oil (re, GB, RA, GBA type)
Regiana ridutori (RR, RA type)
Angle (PG, PGA, PGR, PGW type)
Rexroth (GFT, gft-w, GFB type)
Rossi (R2E, R3E, r4e, rce, rc2e, rc3e, mr2e, mr3e, Mr 4E, MRCE, mrc2e, mrc3e)
Zolen (zhp3.13, zhp3-15, zhp1.19, zhp2.20, zhp4.22, zhp6.24, zhp5.25, zhp8.26, zhp7.27, zhp9.29, zhp31, zhp13.32)
FAIRFIELD、AUBURN GEAR、OMNI GEAR、O& K et al. Therefore, our planetary reducers/gearboxes can be used to replace the gearboxes of these brands.

China Good quality Short-Pitch 12b Precision Gearbox Martin Conveyor Motorcycle Parts Driving Roller Chains for Industry &Agriculture with Great quality

Solution Description

Fundamental Info



Pitch (mm):


Roller Diameter(mm): 


Plate Thickness(mm): 


Internal Plate Width (mm):

eleven.sixty eight

Pin Diameter(mm):


Bodyweight / Meter (kgs/m):


Regular Tensile Power:



ISO90001, SGS

Chain Measurement:

5F, 10F, 5Meters



HS Code:



Roller chain or bush roller chain is the kind of chain drive most commonly utilized for transmission of mechanical electricity on numerous kinds of domestic, industrial and agricultural equipment, like conveyors, wire- and tube-drawing machines, printing presses, automobiles, bikes, and bicycles. It consists of a series of limited cylindrical rollers held collectively by side back links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of electrical power transmission.

Development OF THE CHAIN

Two diverse dimensions of roller chain, showing development.
There are 2 varieties of links alternating in the bush roller chain. The first type is interior hyperlinks, having 2 interior plates held jointly by 2 sleeves or bushings on which rotate 2 rollers. Interior backlinks alternate with the 2nd variety, the outer hyperlinks, consisting of 2 outer plates held jointly by pins passing via the bushings of the interior hyperlinks. The “bushingless” roller chain is comparable in operation even though not in design as an alternative of individual bushings or sleeves holding the inner plates collectively, the plate has a tube stamped into it protruding from the gap which serves the same goal. This has the edge of eliminating 1 stage in assembly of the chain.

The roller chain design lowers friction when compared to simpler types, ensuing in larger effectiveness and much less use. The original energy transmission chain kinds lacked rollers and bushings, with equally the interior and outer plates held by pins which directly contacted the sprocket teeth however this configuration exhibited very speedy wear of the two the sprocket tooth, and the plates where they pivoted on the pins. This issue was partially solved by the development of bushed chains, with the pins keeping the outer plates passing by way of bushings or sleeves connecting the interior plates. This distributed the put on above a greater location however the tooth of the sprockets even now wore a lot more quickly than is appealing, from the sliding friction towards the bushings. The addition of rollers surrounding the bushing sleeves of the chain and supplied CZPT make contact with with the enamel of the sprockets resulting in excellent resistance to dress in of the two sprockets and chain as well. There is even extremely lower friction, as long as the chain is adequately lubricated. Continuous, cleanse, lubrication of roller chains is of main significance for productive operation as effectively as correct tensioning.

VARIANTS Design and style

Structure of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not getting utilized for a high put on application (for occasion if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the easier sorts of chain may nevertheless be utilised. Conversely, the place added power but the easy travel of a smaller pitch is necessary, the chain may possibly be “siamesed” rather of just 2 rows of plates on the outer sides of the chain, there could be 3 (“duplex”), 4 (“triplex”), or far more rows of plates managing parallel, with bushings and rollers amongst every adjacent pair, and the very same quantity of rows of tooth managing in parallel on the sprockets to match. Timing chains on automotive engines, for example, normally have numerous rows of plates called strands.

Roller chain is produced in numerous dimensions, the most frequent American Countrywide Requirements Institute (ANSI) specifications being 40, 50, sixty, and 80. The very first digit(s) reveal the pitch of the chain in eighths of an inch, with the very last digit currently being 0 for normal chain, 1 for light-weight chain, and 5 for bushed chain with no rollers. As a result, a chain with fifty percent-inch pitch would be a #40 while a #160 sprocket would have enamel spaced 2 inches aside, and many others. Metric pitches are expressed in sixteenths of an inch therefore a metric #8 chain (08B-1) would be equal to an ANSI #forty. Most roller chain is produced from simple carbon or alloy metal, but stainless steel is utilised in foodstuff processing equipment or other spots where lubrication is a problem, and nylon or brass are from time to time witnessed for the very same explanation.

Roller chain is ordinarily hooked up employing a master website link (also known as a connecting hyperlink), which usually has 1 pin held by a horseshoe clip instead than friction fit, allowing it to be inserted or removed with straightforward resources. Chain with a removable website link or pin is also acknowledged as cottered chain, which enables the duration of the chain to be altered. 50 percent links (also known as offsets) are obtainable and are utilized to increase the duration of the chain by a single roller. Riveted roller chain has the master hyperlink (also identified as a connecting link) “riveted” or mashed on the finishes. These pins are produced to be resilient and are not removable.


An case in point of 2 ‘ghost’ sprockets tensioning a triplex roller chain technique
Roller chains are utilized in reduced- to mid-speed drives at about 600 to 800 ft for each minute even so, at higher speeds, all around 2,000 to 3,000 ft for each minute, V-belts are normally used because of to wear and noise troubles.
A bicycle chain is a form of roller chain. Bicycle chains may possibly have a master url, or may require a chain device for removal and installation. A similar but greater and as a result much better chain is utilized on most bikes though it is occasionally changed by both a toothed belt or a shaft drive, which provide decrease sounds level and much less routine maintenance demands.
The great bulk of auto engines use roller chains to travel the camshaft(s). Quite large functionality engines usually use gear drive, and starting up in the early nineteen sixties toothed belts were used by some manufacturers.
Chains are also utilized in forklifts utilizing hydraulic rams as a pulley to CZPT and reduced the carriage nonetheless, these chains are not considered roller chains, but are labeled as lift or leaf chains.
Chainsaw slicing chains superficially resemble roller chains but are a lot more intently related to leaf chains. They are pushed by projecting drive back links which also serve to track down the chain onto the bar.

Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain travel from an air motor
A possibly uncommon use of a pair of motorbike chains is in the Harrier Bounce Jet, in which a chain push from an air motor is used to rotate the movable motor nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal ahead flight, a system acknowledged as Thrust vectoring.

Dress in


The influence of use on a roller chain is to increase the pitch (spacing of the links), leading to the chain to increase for a longer time. Notice that this is due to put on at the pivoting pins and bushes, not from true stretching of the steel (as does take place to some flexible metal parts such as the hand-brake cable of a motor automobile).

With CZPT chains it is unusual for a chain (other than that of a bicycle) to wear until finally it breaks, because a worn chain qualified prospects to the rapid onset of put on on the teeth of the sprockets, with supreme failure currently being the loss of all the enamel on the sprocket. The sprockets (in specific the smaller sized of the two) experience a grinding motion that places a characteristic hook condition into the driven experience of the enamel. (This impact is manufactured worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn enamel (and chain) no more time supplies sleek transmission of power and this may possibly grow to be obvious from the noise, the vibration or (in automobile engines making use of a timing chain) the variation in ignition timing noticed with a timing light-weight. Equally sprockets and chain should be changed in these cases, considering that a new chain on worn sprockets will not previous prolonged. Even so, in considerably less severe cases it may be attainable to conserve the bigger of the 2 sprockets, since it is always the more compact 1 that suffers the most dress in. Only in quite gentle-excess weight apps these kinds of as a bicycle, or in intense situations of incorrect rigidity, will the chain typically bounce off the sprockets.

The lengthening owing to use of a chain is calculated by the adhering to formula:

M = the size of a number of back links measured

S = the number of links calculated

P = Pitch

In industry, it is typical to monitor the movement of the chain tensioner (no matter whether manual or automated) or the specific duration of a drive chain (a single rule of thumb is to exchange a roller chain which has elongated 3% on an adjustable push or 1.5% on a fixed-center generate). A simpler technique, particularly suited for the cycle or motorcycle consumer, is to attempt to pull the chain away from the greater of the 2 sprockets, whilst making certain the chain is taut. Any important motion (e.g. generating it achievable to see by means of a gap) most likely indicates a chain worn up to and over and above the restrict. Sprocket harm will result if the problem is ignored. Sprocket use cancels this influence, and might mask chain dress in.

CHAIN Toughness

The most widespread measure of roller chain’s power is tensile strength. Tensile toughness represents how significantly load a chain can stand up to beneath a one-time load just before breaking. Just as critical as tensile strength is a chain’s tiredness energy. The essential elements in a chain’s tiredness power is the top quality of metal utilized to CZPT the chain, the warmth treatment method of the chain elements, the quality of the pitch gap fabrication of the linkplates, and the sort of shot additionally the depth of shot peen protection on the linkplates. Other elements can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain working on a continuous travel is for the chain load to not CZPT a mere 1/6 or 1/9 of the chain’s tensile power, relying on the kind of learn backlinks utilised (push-match vs. slip-in shape)[quotation necessary]. Roller chains operating on a continuous generate outside of these thresholds can and usually do are unsuccessful prematurely via linkplate exhaustion failure.

The common minimum final strength of the ANSI 29.1 steel chain is 12,five hundred x (pitch, in inches)two. X-ring and O-Ring chains tremendously decrease put on by means of inside lubricants, growing chain lifestyle. The interior lubrication is inserted by indicates of a vacuum when riveting the chain with each other.


Standards companies (these kinds of as ANSI and ISO) maintain expectations for design and style, dimensions, and interchangeability of transmission chains. For case in point, the adhering to Desk shows information from ANSI standard B29.1-2011 (Precision Electrical power Transmission Roller Chains, Attachments, and Sprockets) produced by the American Modern society of Mechanical Engineers (ASME). See the references[8][9][10] for extra information.

ASME/ANSI B29.1-2011 Roller Chain Normal SizesSizePitchMaximum Roller DiameterMinimum Greatest Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Standard Sizes
Size Pitch Greatest Roller Diameter Bare minimum Supreme Tensile Power Measuring Load
25 .250 in (6.35 mm) .one hundred thirty in (3.thirty mm) 780 lb (350 kg) eighteen lb (8.2 kg)
35 .375 in (9.fifty three mm) .200 in (5.08 mm) one,760 lb (800 kg) 18 lb (8.2 kg)
forty one .500 in (twelve.70 mm) .306 in (7.seventy seven mm) one,five hundred lb (680 kg) eighteen lb (8.2 kg)
40 .five hundred in (12.70 mm) .312 in (7.92 mm) 3,one hundred twenty five lb (1,417 kg) 31 lb (14 kg)
50 .625 in (fifteen.88 mm) .400 in (ten.sixteen mm) 4,880 lb (2,210 kg) forty nine lb (22 kg)
60 .750 in (19.05 mm) .469 in (eleven.91 mm) seven,030 lb (3,190 kg) 70 lb (32 kg)
80 1.000 in (twenty five.forty mm) .625 in (fifteen.88 mm) 12,five hundred lb (5,seven-hundred kg) a hundred twenty five lb (57 kg)
100 one.250 in (31.seventy five mm) .750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
one hundred twenty 1.500 in (38.ten mm) .875 in (22.23 mm) 28,a hundred twenty five lb (12,757 kg) 281 lb (127 kg)
one hundred forty one.750 in (44.45 mm) one.000 in (25.40 mm) 38,280 lb (17,360 kg) 383 lb (174 kg)
one hundred sixty two.000 in (50.80 mm) one.a hundred twenty five in (28.58 mm) fifty,000 lb (23,000 kg) 500 lb (230 kg)
180 2.250 in (57.fifteen mm) 1.460 in (37.08 mm) 63,280 lb (28,700 kg) 633 lb (287 kg)
two hundred two.five hundred in (63.50 mm) one.562 in (39.sixty seven mm) seventy eight,175 lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (seventy six.20 mm) 1.875 in (forty seven.63 mm) 112,500 lb (fifty one,000 kg) one,000 lb (450 kg

For mnemonic needs, under is yet another presentation of essential dimensions from the exact same normal, expressed in fractions of an inch (which was element of the considering behind the decision of preferred numbers in the ANSI regular):

Pitch (inches) Pitch expressed
in eighths
ANSI normal
chain quantity
Width (inches)
14 twoeight twofive oneeight
38 3eight three5 316
12 4eight four1 14
12 4eight 4 5sixteen
five8 five8 five 3eight
34 six8 six 1two
1 8eight eight five8

1. The pitch is the length in between roller centers. The width is the distance among the website link plates (i.e. somewhat more than the roller width to enable for clearance).
two. The appropriate-hand digit of the regular denotes 0 = standard chain, 1 = light-weight chain, 5 = rollerless bushing chain.
three. The left-hand digit denotes the amount of eighths of an inch that make up the pitch.
four. An “H” pursuing the standard variety denotes heavyweight chain. A hyphenated quantity following the normal amount denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes variety sixty heavyweight triple-strand chain.
 A normal bicycle chain (for derailleur gears) utilizes slim 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capability. The a lot more sprockets at the rear wheel (historically 3-6, presently 7-twelve sprockets), the narrower the chain. Chains are bought in accordance to the amount of speeds they are developed to perform with, for case in point, “10 velocity chain”. Hub equipment or single velocity bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the highest thickness of a sprocket that can be employed with the chain.

Usually chains with parallel formed back links have an even number of back links, with every single narrow hyperlink adopted by a broad 1.Chains built up with a uniform kind of hyperlink, narrow at 1 and wide at the other conclude, can be created with an odd quantity of backlinks, which can be an gain to adapt to a special chainwheel-distance on the other facet these kinds of a chain tends to be not so strong.

Roller chains made employing ISO normal are occasionally known as as isochains.


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1. Reliable Top quality Assurance Method
two. Cutting-Edge Personal computer-Managed CNC Devices
3. Bespoke Remedies from Hugely Knowledgeable Experts
four. Customization and OEM Offered for Specific Application
five. Comprehensive Inventory of Spare Components and Equipment
six. Properly-Created Worldwide Marketing Community
7. Productive Soon after-Sale Provider Program


The 219 sets of sophisticated automated manufacturing products give ensures for higher solution high quality. The 167 engineers and professionals with senior specialist titles can design and style and produce products to fulfill the specific requires of customers, and OEM customizations are also available with us. Our seem international support network can provide customers with well timed after-product sales technological solutions.

We are not just a manufacturer and supplier, but also an business consultant. We perform professional-actively with you to offer expert tips and solution suggestions in get to conclude up with a most value effective merchandise obtainable for your distinct software. The clientele we serve globally variety from conclude users to distributors and OEMs. Our OEM replacements can be substituted where ever necessary and suitable for both restore and new assemblies.


Right here are some benefits of chain drives in excess of belt and equipment drives: They can be utilised for prolonged and brief distances. Numerous axles, are driven by chains. They are compact and have a small all round dimensions, so even in the celebration of a fire, you won’t experience any poor issues. Temperature and ambient problems do not affect its operation. Chain drives do not call for original tension. They are quite effective (up to ninety six%) and have no slip and creep for the duration of transmission, making sure a excellent equipment ratio. Chain generate, straightforward to put in. Chain drives are reduced maintenance, withstand abrasive situations and function in wet circumstances
The push chain is used to transmit mechanical electricity when the axle length is brief. These chains have efficient lubrication. There are the adhering to 3 varieties of electrical power transmission chains. Slider or Bushing Chain Bushing Roller Chain Silent Chain

China Good quality Short-Pitch 12b Precision Gearbox Martin Conveyor Motorcycle Parts Driving Roller Chains for Industry &Agriculture     with Great quality