236-7878-02 271-2886-04 295-0799-00 196-4703 243-6640-06 Caterpillar Travel Motor for A6VM Hydraulic Motor

Powering Heavy-Duty Mobility: The A6VM Hydraulic Motor for Caterpillar Dump Truck Motor

In the demanding cycle of load-and-haul operations, the reliability of a dump truck’s hydraulic system is paramount. The A6VM series axial piston variable motor stands as a cornerstone for drive and auxiliary functions in heavy-duty vehicles, offering unparalleled power density and control. For comprehensive specifications, access the PDF directly via www.baolilai-pump.com/contact_us/.

As a specialist manufacturer, www.baolilai-pump.com provides robust hydraulic solutions like the A6VM motor, engineered to meet the rigorous demands of off-highway mobility.

Technical Specifications Overview

Parameter	Value Range
Displacement (cm³/rev)	28 – 1000
Operating Pressure	350 – 450 bar
Maximum Speed	2100 – 8750 rpm

Size			28	55	80	107	140	160	200	250	355	500	1000
Displacement	Vgmax	cm3	28,1	54,8	80	107	140	160	200	250	355	500	1000
	Vg0	cm3	0	0	0	0	0	0	0	0	0	0	0
Max. speed (at max.permitted flow)	NmaxatVgmax	rpm	5550	4450	3900	3550	3250	3100	2900	2500	2240	2000	1600
	NmaxatVg<Vg1	rpm	8750	7000	6150	5600	5150	4900	4600	3300	2950	2650	2100
	Vg1	cm3	18	35	51	68	88	101	126	190	270	385	762
	nmaxatVg0	rpm	10450	8440	7350	6300	5750	5500	5100	3205	2950	2650	2100
Max. perm. flow	qv max	L/min	156	235	312	380	455	469	580	635	790	1000	1600
Torque constants	Tk atVgmax	Nm/bar	0,446	0,87	1,27	1,70	2,23	2,54	3,18	3,98	5,65	7,96	15,92
Max. torque	TmaxatVgmax	Nm	179	349	509	681	891	1019	1273	1391	1978	2785	5571
Case volume		L	0,5	0,75	1,2	1,5	1,8	2,4	2,7	3,0	5,0	7,0	16,0
Moment of inertia about drive axis	J	kgm2	0,0014	0,0042	0,0080	0,0127	0,0207	0,0253	0,0353	0,061	0,102	0,178	0,550
Weight (approx.)	m	kg	16	26	34	47	60	64	80	90	170	210	430

Engineered for Extreme Environments

Backed by a one-year warranty, the A6VM motor is built to endure. Its design prioritizes exceptional resistance to high pressure, shock loads, and extreme conditions. The hardened components and advanced sealing technologies ensure reliable performance in environments laden with dust, moisture, and wide temperature swings—critical for machinery operating in remote quarries, mines, and construction sites. This durability minimizes unplanned downtime, maximizing vehicle availability.

Critical Applications in Mobile Machinery

The A6VM’s wide displacement range and high-power density make it ideal for various high-torque applications:

Mining & Quarrying: In articulated dump trucks and rigid haulers, the A6VM motor reliably drives wheel hubs or fan systems. Its explosion-resistant capability is vital for underground mining equipment, ensuring safety in hazardous atmospheres similar to those addressed by OEMs like Caterpillar (caterpillar.com).

Construction & Earthmoving: Beyond dump trucks, this motor powers track drives for excavators, swing mechanisms, and conveyor drives. Its precise speed and torque control enable smooth, powerful operation for loaders and bulldozers in challenging terrains.

Agricultural Machinery: For large forage harvesters, sugar beet harvesters, and self-propelled irrigation systems, the A6VM provides the necessary high-torque, variable-speed drive, ensuring consistent performance during critical harvesting operations.

OEMs and maintenance teams frequently source this motor under key part numbers such as R902124492, 236-7878-02, 271-2886-04, 295-0799-00, 196-4703, and 243-6640-06 for integration and replacement in equipment from brands like Volvo CE (volvoce.com) and Komatsu (komatsu.com).

FAQ

Q1: What makes the A6VM motor suitable for dump truck wheel drive systems?
A1: Its high starting torque, wide adjustable speed range (up to 8750 rpm), and ability to operate continuously at 450 bar pressure allow it to handle the heavy loads, steep grades, and variable travel speeds required in haul cycles.

Q2: Can this motor withstand the shock loads from a loaded dump body impacting the frame?
A2: Yes. The A6VM is specifically engineered with superior anti-shock and pressure spike resistance. Its robust construction and internal design dampen the hydraulic shocks transmitted through the system during loading and on rough haul roads.

Q3: Are specific A6VM models used in fan drive or cooling system applications?
A3: Absolutely. Models with specific displacements and control options, often identified by codes like 271-2886-04 or 243-6640-06, are commonly applied to drive high-capacity cooling fans for engines and hydraulic systems in heavy machinery, ensuring optimal thermal management.

Q4: Where can I find the correct A6VM model for my equipment using part number R902124492?
A4: Cross-referencing and technical support for exact replacements are available. Please visit www.baolilai-pump.com/contact_us/ to consult our technical team with your part number and application requirements.

---

Application equipment	Application equipment No.
Caterpillar	4380124 MOBIL KRANATC20
Caterpillar	R902124492
Caterpillar	236-7878-02
Caterpillar	271-2886-04
Caterpillar	168-1837
Caterpillar	378-2825
Caterpillar	243-6639-06
Caterpillar	243-6640-06
Caterpillar	231-0471
Caterpillar	225-8180-02
Caterpillar	291-3711 excavator:M315D,M316D;M318D;M322D
Caterpillar	243-6645-07
Caterpillar	378-2820
Caterpillar	134-7307
Caterpillar	203-4142-00
Caterpillar	R902124486
Caterpillar	198-6041 DUMP TRUCK:793D;793F
Caterpillar	180-9886-05 R22
Caterpillar	100-1514
Caterpillar	295-0799-00
Caterpillar	295-0800-00
Caterpillar	123-5260-02 CS531C
Caterpillar	303-5861-05 795F
Caterpillar	245-2310 RH340A travel motor
Caterpillar	270-7935
Caterpillar	370-1089 RH400( Caterpillar 6090)
Caterpillar	187-3453-02 TRACK TYPELOADER963C
Caterpillar	288-5474-04 973D
Caterpillar	310-9365 steelmill crawler 973D
Caterpillar	196-4703
Caterpillar	187-3454 973 Csteelmill crawler

---

Specification