Gearbox (Gear Speed Reducer for Tracked Vehicle)

Gearbox  (Gear Speed Reducer for Tracked Vehicle)
Gearbox  (Gear Speed Reducer for Tracked Vehicle)
Gearbox  (Gear Speed Reducer for Tracked Vehicle)
Gearbox  (Gear Speed Reducer for Tracked Vehicle)
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  • NB401T1
  • NB410T3
  • NB413T3
  • NB418T3

Superior Performance
The NBPG NB400T Series track drive 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 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. NB400T Series gearboxes are the perfect transmission solution for crawler undercarriages, drilling, crushing, screening and piling machines.

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.

TypeMax. torque N.mRange of ratios (i)Max. Input speed (rpm)Braking torque (N.m)
NB400T113006.091000130
NB401T120006.21000270
NB402T2500012.4-37.13500-
NB403T2700015.4-403500270
NB405T1000020-803500270
NB405.4T1100026-573500280
NB406AT1700023-2203500430
NB406T1800028-1403500430
NB406BT32400063-1363500430
NB407AT2600038-1363500430-530
NB407T33600063-1363500530
NB410T35000062-1773500530
NB413T36000086-1723500610
NB414T38000076-18635001200
NB415T311000081-21530001200
NB416T316000087-25530002000
NB417T3220000123-36530002000
NB418T3270000166-36430002000
NB419T3330000161-30625003000
NB420T4450000296-42125001700
Product Identification Scheme
12345678
NB413T3139WOA2FE63A

1. NB: Ningbo Planetary Gearbox Factory
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

Specific Dimensions and Technical Parameters

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