Nabtesco GM38VB-A-95139-2 Travel Assembly

2 month ago

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3 year

Product details

1. Product Overview

• Brand & Model: Travel assembly produced by Nabtesco (a global leader in hydraulic and transmission systems), modelGM38VB-A-95/139-2.

• Core Function: Provides driving power for construction machinery (e.g., compact excavators, loaders, drill rigs) via a hydraulic motor driving a gearbox, enabling low-speed, high-torque tracked/wheeled movement.

2. Structural Components

• Hydraulic Travel Motor:

• Integrated axial piston swashplate motor converting hydraulic energy to mechanical power.

• GM38VBin the model name may indicate displacement (38 cc/rev) and motor design type (VB variant).

• Gear Reducer:

• Multi-stage planetary gear system achieving high reduction ratios (e.g., 95:1 or 139:1) for torque amplification.

• A-95/139-2in the model may denote reduction ratio options (A-type design, ratios 95 or 139, version 2).

• Brake:

• Built-in wet multi-disc brake for reliable stopping.

• Output Flange/Spline:

• Connects to track drive sprockets or wheel hubs for power transmission.

3. Technical Specifications (Example)

【表格】

Parameter Description

Motor Displacement 38 cc/rev (per revolution)

Reduction Ratio 95:1 or 139:1 (depending on suffix)

Rated Torque 500–1000 Nm (varies by model/application)

Max Output Speed 50–100 rpm (output shaft)

Brake Torque 1.5–2× rated torque (wet brake)

Operating Pressure 25–35 MPa (system working pressure)

Weight 50–80 kg (configuration-dependent)

4. Applications

• Compact Construction Equipment:

• 1–8-ton excavators, mini loaders, drill rigs.

• Agricultural Machinery:

• Combine harvesters, sugar cane harvesters (tracked variants).

• Specialty Vehicles:

• Fire trucks, aerial work platforms requiring precise movement.

5. Performance Advantages

• High Reliability:

• Nabtesco’s planetary gear technology resists shock loads and ensures long service life.

• Compact Design:

• Integrated motor and reducer save installation space.

• Efficient Power Transmission:

• Planetary gears minimize energy loss, improving fuel economy.

• Easy Maintenance:

• Modular design simplifies disassembly and repair.

6. Model Suffix Breakdown

• GM38VB-A-95/139-2:

• A: May indicate design version or machine compatibility (e.g., A-type for specific excavators).

• 95/139: Reduction ratio options (user-selectable based on load requirements).

• 2: Version iteration (e.g., second-generation improvements).

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor, gear box , hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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