Caterpillar Excavators Motor J236-7878-02 271-2886-04 295-0799-00 196-4703 243-6640-06 291-3711 370-1089 RH400 Hydraulic Travel Motor
Caterpillar Excavators Motor J236-7878-02 271-2886-04 295-0799-00 196-4703 243-6640-06 291-3711 370-1089 RH400 Hydraulic Travel Motor
- Product Details
A6VM Hydraulic Motor: The High-Torque Drive Solution for Caterpillar Excavator Track Systems
The formidable productivity of a Caterpillar Excavator is underpinned by the relentless performance of its undercarriage drive system. For the critical Hydraulic Travel Motor function, the A6VM series axial piston motor delivers the essential combination of immense torque, precise controllability, and extreme durability required to meet Caterpillar’s rigorous standards. As a specialized supplier, www.baolilai-pump.com provides robust hydraulic drive solutions engineered for compatibility with demanding OEM applications. Access full technical data at www.baolilai-pump.com/contact_us/.
Technical Specifications
| Parameter | Value Range |
|---|---|
| Displacement (cm³/rev) | 28 – 1000 |
| Operating Pressure | 350 – 450 bar |
| Maximum Speed | 1600 – 8750 rpm |
Engineered for Unmatched Durability in Extreme Service
Supported by a one-year warranty, the A6VM Hydraulic Motor for Caterpillar Excavators is built to survive the harshest conditions. Its design prioritizes exceptional resistance to pressure shocks, abrasive wear, and thermal stress—common on demolition, mining, and heavy civil construction sites. This resilience is non-negotiable for machines like the Caterpillar RH400, the world’s largest hydraulic excavator, where drive motor reliability directly impacts global mining operations. Specific models, such as those referenced under part numbers 236-7878-02 and 271-2886-04, incorporate hardened components and advanced sealing to ensure maximum uptime in high-contamination environments.
A Power Core Across the Caterpillar Equipment Spectrum
The A6VM hydraulic motor robust architecture makes it a trusted component across the vast Caterpillar (caterpillar.com) product line. Beyond excavator track drives, this motor technology is integral to other demanding platforms. In agriculture, large Caterpillar Challenger tractors utilize similar high-torque motors for propulsion, where consistent power delivery is key. For motor graders and compactors, precise speed control is essential for grading accuracy and vibration frequency, with components like 295-0799-00 specified for such duties.
In the mining sector, the motor’s capability to operate reliably at 350-450 bar is critical. It powers not only auxiliary systems on large excavators but also drives on underground utility vehicles. The durability required for these applications is mirrored in parts like 196-4703 and 243-6640-06, commonly serviced in global mining fleets. Furthermore, in material handling and forestry, Caterpillar machinery relies on similar hydraulic drive principles for swing and travel functions, with part numbers 291-3711 and 370-1089 representing this cross-platform reliability in demanding cyclical operations.
FAQ
Q1: What makes the AL A6VM motor ideal for the track drive of a large hydraulic excavator?
A1: Its high power density provides the immense starting torque needed to move a fully laden machine, while its wide speed range (from 1600 to 8750 rpm) allows for smooth, controlled positioning and efficient travel between work sites, all within a robust package built for shock loads.
Q2: How does the motor withstand the constant exposure to mud, rocks, and dust on a construction site?
A2: The motor employs a multi-layered defense. Critical shaft seals and housing interfaces are designed to IP-rated standards, actively excluding contaminants. This protection, vital for components like 271-2886-04, is essential for longevity in the abrasive conditions typical of Caterpillar equipment operation.
Q3: Is the AA6VM motor suitable for both open and closed-loop hydraulic systems used in Caterpillar machinery?
A3: Yes. The series includes models specifically engineered for the high-efficiency closed-loop hydrostatic drives commonly used in modern excavator and tractor travel systems, ensuring optimal performance and fuel economy.
Q4: Our service team needs a replacement travel motor identified as part number 243-6640-06. Can you supply it?
A4: Absolutely. We provide cross-referenced, high-performance hydraulic motors for global equipment fleets. For exact specifications and compatibility confirmation for parts like 243-6640-06 or 370-1089, please contact our technical team via www.baolilai-pump.com/contact_us/.
Product Model
| Product Model No. | Application Equipment Brands | Application Equipment No. |
| A6VM | Caterpillar | 4380124 MOBIL KRANATC20 |
| A6VM | Caterpillar | R902124492 |
| A6VM | Caterpillar | 236-7878-02 |
| A6VM | Caterpillar | 271-2886-04 |
| A6VM | Caterpillar | 168-1837 |
| A6VM | Caterpillar | 378-2825 |
| A6VM | Caterpillar | 243-6639-06 |
| A6VM | Caterpillar | 243-6640-06 |
| A6VM | Caterpillar | 231-0471 |
| A6VM | Caterpillar | 225-8180-02 |
| A6VM | Caterpillar | 291-3711 excavator:M315D,M316D;M318D;M322D |
| A6VM | Caterpillar | 243-6645-07 |
| A6VM | Caterpillar | 378-2820 |
| A6VM | Caterpillar | 134-7307 |
| A6VM | Caterpillar | 203-4142-00 |
| A6VM | Caterpillar | R902124486 |
| AA6VM | Caterpillar | 198-6041 DUMP TRUCK:793D;793F |
| AA6VM | Caterpillar | 180-9886-05 R22 |
| AA6VM | Caterpillar | 100-1514 |
| AA6VM | Caterpillar | 295-0799-00 |
| AA6VM | Caterpillar | 295-0800-00 |
| AA6VM | Caterpillar | 123-5260-02 CS531C |
| AA6VM | Caterpillar | 303-5861-05 795F |
| AL A6V M | Caterpillar | 245-2310 RH340 Atravel motor |
| AL A6V M | Caterpillar | 270-7935 |
| AL A6V M | Caterpillar | 370-1089 RH400( Caterpillar6090) |
| ALAA6V M | Caterpillar | 187-3453-02 TRACK TYPELOADER 963C |
| ALAA6V M | Caterpillar | 288-5474-04 973D |
| ALAA6V M | Caterpillar | 310-9365 steelmill crawler 973D |
| ALAA6V M | Caterpillar | 196-4703 |
| ALAA6V M | Caterpillar | 187-3454 973C steelmill crawler |
Specification
