Track Drives Planetary Gearboxes

Track Drives Planetary Gearboxes


Track Drives Superior Performance

The EP400T Series track drives planetary gearbox is a specialized gear speed reducer for tracked vehicles and earth-moving machines. The reduction gearbox has a heavy-duty casing, a short overall length, and great radial and axial load capacity.

Our track drive gearboxes are provided with an integral multi-disc parking brake and have been designed for the direct mounting of hydraulic plug-in motors. The careful selection of the materials and design allows our gear reducers to be used in even the most severe environments. EP400T Series gearboxes are the perfect transmission solution for crawler undercarriages, drilling, crushing, screening and piling machines.

Track Drives Key Features

1. Output torque range: 1000-450000N.m

2. Gear ratios: i=5.3-500

3. Support: thegearbox has rotating housing flanges to fit tracks

4. Applicable motors: axial piston hydraulic motors, hydraulic orbit motors or others

5. Hydraulic motor options: pressure relief valve, overcenter valve

6. Bearing: robust bearing system absorbing the forces exerted by the ring gear

7. Brake: hydraulic released parking brake

8. High torque and load capacities: to carry equipment over the roughest and steepest terrain.

9. Designed to allow mounting of plug-in motors.

10. Integral multi-disc parking brakes, while still keeping the drive compact.

11. Steel structure.

12. Easy maintenance: filling and draining openings are reasonably located for easy reach.

13. Front mechanical seal designed specifically for the earth-moving machines.

14. Technical data and installation dimension of NB400T Series gearbox are same as those of Rexroth GFT…T Series and Bonfiglioli 700C Series, so these three can be used interchangeably.

Type Max. torque N.m Range of ratios (i) Max. Input speed (rpm) Braking torque (N.m)
EP400T1 1300 6.09 1000 130
EP401T1 2000 6.2 1000 270
EP402T2 5000 12.4-37.1 3500 -
EP403T2 7000 15.4-40 3500 270
EP405T 10000 20-80 3500 270
EP405.4T 11000 26-57 3500 280
EP406AT 17000 23-220 3500 430
EP406T 18000 28-140 3500 430
EP406BT3 24000 63-136 3500 430
EP407AT 26000 38-136 3500 430-530
EP407T3 36000 63-136 3500 530
EP410T3 50000 62-177 3500 530
EP413T3 60000 86-172 3500 610
EP414T3 80000 76-186 3500 1200
EP415T3 110000 81-215 3000 1200
EP416T3 160000 87-255 3000 2000
EP417T3 220000 123-365 3000 2000
EP418T3 270000 166-364 3000 2000
EP419T3 330000 161-306 2500 3000
EP420T4 450000 296-421 2500 1700

Product Identification Scheme

1 2 3 4 5 6 7 8
EP/EPT 413 T 3 139 WO A2FE63 A


2. 413: Gearbox size, 400, 401, 402…417, 602, 603…615

3. T: Series, T…Track drive, W…Winch drive, L…Wheel drive

4. 3: Number of stages, 1…single stage, 2…double stage, 3…triple stage, 4…four stage

5. 139: Ratio

6. WO: With or without brake, WO…without brake, no symbol…with brake

7. A2FE63: Motor type

8. A: Motor shaft mark, A…A shaft motor, Z…Z shaft motor


Gear Reducers

World class gear manufacturing capabilities, quality material suppliers, and a state of the art quality process allows EPT to offer the highest level of precision, durability and endurance. The EPT Planetary Reducers are designed and built for advanced high speed low backlash applications. The EPT manufacturing processes allows us to offer exceptional shock load capacities and various mounting options.

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.