TM10 Travel Motor
The TM10 is an integrated travel drive assembly combining axial piston hydraulic motor and two-stage planetary gear reducer, also known as Final Drive. Developed by Doosan Mottrol, it is specially designed for 8–11 ton class mini excavators.
1. Basic Information
- Model: TM10 (Common variants: TM10VC, TM10VD for different mounting & configurations)
- Brand: Doosan Mottrol
- Applicable machine weight: 8–11 ton excavators
- Structure: Two-speed axial piston motor + two-stage planetary reducer, integrated with counterbalance valve, parking brake and high/low speed shift function
- Weight: Approx. 100 kg
2. Main Technical Parameters
- Motor displacement: 34 cc/r (low speed) / 53 cc/r (high speed)
- Rated working pressure: 30 MPa
- Shift control pressure: 2–7 MPa
- Gear ratio: 54.4
- Max output torque of reducer: 13,700 N·m
- Max rotational speed of reducer: 48 rpm
- Brake type: Spring-applied parking brake, hydraulically released
- Sealing structure: Triple sealing system. The main oil seal can be replaced without disassembling the reducer.
3. Key Mounting Dimensions
- Frame connection: Flange OD 210 mm, 12 pcs M16 bolts, pitch circle diameter 250 mm
- Drive gear connection: Flange OD 265 mm, 12 pcs M14 bolts, pitch circle diameter 300 mm
- Flange distance: 80 mm
- Oil drain port: 3 drain plugs for easy maintenance
4. Product Features
1. Two-speed design: Supports automatic & manual high/low speed shift, balancing traction force and travel speed.
2. High torque density: Compact size with large output torque, suitable for limited installation space.
3. Reliable braking performance: Built-in parking brake for safety on slopes and during shutdown; automatically locks when power cuts off.
4. Durable sealing: Triple sealing design for excellent dustproof and waterproof performance, adapting to harsh muddy working sites.
5. Easy maintenance: Multiple oil drain holes and field-replaceable oil seal reduce downtime.
5. Interchangeable & Alternative Models
- GM10, GM10VM (fully interchangeable)
- Compatible with equivalent travel motors of Nachi, KYB, Eaton and other brands for the same tonnage range.
6. Typical Applicable Machines
- Doosan: DH80, DH90, DX80, DX90
- Sany: SY75, SY95
- SDLG: E690, E680
- XCMG: XE80, XE105
- Komatsu: PC80, PC75