Caterpillar Wheel Loaders 3675207 367-5206 2765827 163-2428 229-0099 257-6254-01 163-2428-01Main Hydraulic Oil Pump For AL A10VO 52 Series Piston Pump

AL A10VO 52 Series Hydraulic Pump: The High-Performance Heart for Caterpillar Wheel Loaders

The demanding “load-and-carry” cycles of a modern wheel loader place immense stress on its hydraulic system. At the core of this system, the Main Hydraulic Oil Pump must deliver relentless power, precise control, and unwavering efficiency. The AL A10VO 52 Series axial piston variable pump is engineered to meet this challenge, offering exceptional power density, intelligent control, and robust durability tailored for Caterpillar Wheel Loaders. As a trusted manufacturer, www.baolilai-pump.com supplies these critical components. For detailed technical data, visit www.baolilai-pump.com/contact_us/.

Technical Specifications: AL A10VO 52 Series

Parameter	Value Range
Displacement Range	10 – 100 cm³/rev
Operating Pressure	280 – 350 bar
Maximum Speed	2300 – 4320 rpm

Size		NG		10	18	28	45	60	63	72	85	100
Displacement, geometric, per revolution		Vg max	cm3	10.5	18	28	45	60	63	72	85	100
Rotational speed maximum	at Vg max	nnom	rpm	3600	3300	3000	2600	2700	2600	2600	2500	2300
	at Vg<Vg max	nmax	rpm	4320	3960	3600	3120	3140	3140	3140	3000	2500
Flow	at nnom and Vg max	qv max	l/min	37	59	84	117	162	163	187	212	230
	at nE=1500 rpm	qvE max	l/min	15	27	42	68	90	95	108	128	150
Power	at nnom, Vg max and Δp=250 bar	Pmax	kW	16	25	35	49	65	68	77	89	96
	at nE=1500 rpm	Pnom	kW	7	11	18	28	37	39	45	53	62
Torque	at Vg max and Δp=250 bar	Tmax	Nm	42	71	111	179	238	250	286	338	398
	at Vg max and Δp=100 bar	T	Nm	17	29	45	72	95	100	114	135	159
Rotary stiffness of drive shaft	S	c	Nm/rad	9200	11000	22300	37500	65500	65500	65500	143000	143000
	R	c	Nm/rad	–	14800	26300	41000	69400	69400	69400	152900	–
	U	c	Nm/rad	6800	8000	16700	30000	49200	49200	49200	102900	102900
	W	c	Nm/rad	–	–	19900	34400	54000	54000	54000	117900	117900
	P	c	Nm/rad	10700	–	–	–	–	–	–	–	–
Moment of inertia for rotary group		JTW	kgm2	0.0006	0.0009	0.0017	0.003	0.0056	0.0056	0.0056	0.012	0.012
Maximum angular acceleration		α	rad/s2	8000	6800	5500	4000	3300	3300	3300	2700	2700
Case volume		V	l	0.2	0.25	0.3	0.5	0.8	0.8	0.8	1	1
Weight without through drive (approx.)		m	kg	8	11.5	15	18	22	22	22	36	36
Weight with through drive (approx.)		m	kg	–	13	18	24	28	28	28	45	45

Engineered for Unmatched Durability and Uptime
Operating in abrasive quarries, muddy construction sites, and harsh mining environments demands a pump that can survive extreme conditions. The AL A10VO 52 Series hydraulic pump is built for this, backed by a comprehensive one-year warranty. Its design provides superior resistance to pressure shocks, fine particulate contamination, and severe thermal cycling. The pump incorporates hardened components, advanced bearing technology, and multi-stage sealing systems to ensure internal integrity. This resilience, exemplified in models like 3675207 and 367-5206, is critical for minimizing unplanned downtime in the 24/7 operation of Caterpillar (caterpillar.com) equipment, directly impacting productivity and total cost of ownership.

Powering the Diverse Caterpillar Equipment Universe
The intelligence and compact design of the 52 Series pump make it a versatile power source across the vast and demanding Caterpillar product line.

Wheel Loaders and Dozers: As the designated main pump in models like the Cat 966 and 980 wheel loaders, it provides the precise, high-pressure flow for lifting, tilting, and steering. Its load-sensing capability is key to the machine’s renowned fuel efficiency and responsive control. Parts such as 2765827 are commonly serviced in these applications.

Compact and Midi Excavators: In the versatile Cat 300 series excavators, this pump delivers the power needed for complex digging and grading tasks, with smooth controllability essential for fine work.

Mining and Heavy Haulage: The extreme-duty cycles of Cat mining shovels and haul trucks require components of the highest reliability. The pump’s robust construction allows it to handle the severe pressure spikes and contamination risks, with configurations like 163-2428 and 163-2428-01 specified for these environments.

Agricultural and Industrial Applications: From large Cat Challenger tractors to industrial power units, reliable hydraulic power is non-negotiable. The pump’s performance ensures consistent operation during critical seasons or in remote locations. Its widespread integration is confirmed by cross-reference codes like 229-0099 and 257-6254-01 found in global parts systems.

FAQ (Frequently Asked Questions)

Q1: What specific feature of the AL A10VO 52 Series makes it ideal for wheel loader applications?
A1: Its combination of a high maximum speed (up to 4320 rpm) and efficient variable displacement with load-sensing control allows the hydraulic system to respond instantly to operator demands. This results in faster lift and tilt speeds, smoother operation, and significantly lower fuel consumption compared to older pump technologies.

Q2: How does the pump’s design protect it from the abrasive dust prevalent on construction sites?
A2: The pump employs a multi-layered defense strategy. High-efficiency inlet filters protect against large contaminants, while its internal design, including hardened pistons and cylinders, resists wear from fine particles. High-quality shaft and housing seals, as used in models like 367-5206, create a critical barrier to prevent dust ingress.

Q3: Why is the “ALA10VO” designation and 52 Series important for Caterpillar equipment?
A3: The AL variant signifies a long-life, severe-duty version with upgraded materials and design enhancements. The 52 Series indicates a specific, optimized product generation that meets Caterpillar’s exacting requirements for performance, efficiency, and durability in its latest machine models.

Q4: We need a replacement main pump for our Cat loader, referenced under part number 257-6254-01. Can you supply it?
A4: Absolutely. We specialize in providing high-fidelity, cross-compatible hydraulic pump solutions for Caterpillar equipment. For precise specifications and compatibility verification for part 257-6254-01 or 229-0099, please contact our technical team via www.baolilai-pump.com/contact_us/.

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Product Model

Product Model No.	Application Equipment Brands	Application Equipment No.
A A10V O  AV A10VO	Caterpillar	367-5206
A A10V O  AV A10VO	Caterpillar	367-5206 RH120
A A10V O  AV A10VO	Caterpillar	3675207
A A10V O  AV A10VO	Caterpillar	3675207
A A10V O  AV A10VO	Caterpillar	3675207 Mining
A A10V O  AV A10VO	Caterpillar	264-6247
A A10V O  AV A10VO	Caterpillar	2765827
A A10V O  AV A10VO	Caterpillar	370-2258 RH120
A A10V O  AV A10VO	Caterpillar	370-2259 RH120
A AA10V O  SV A10VO	Caterpillar	122-1206/ 0R-0913
AL A10V O  AV A10VO	Caterpillar	191-2942 wheel loader 950GII,962GII
AL A10V O  AV A10VO	Caterpillar	254-5146 wheel loader :950H;962H
AL A10V O  AV A10VO	Caterpillar	333-3788-00 wheel loader :988K
AL A10V O  AV A10VO	Caterpillar	466-332700 24M
AL A10V O  SV A10VO	Caterpillar	2268003
AL A10V O UG A10VO	Caterpillar	173-3420 excavator:345BII,W345BII
AL A10V O  AV A10VO	Caterpillar	352-4500-05 wheel loader 966K
AL A10V O  AV A10VO	Caterpillar	257-6254-01
AL A10V O  AV A10VO	Caterpillar	163-2428 wheel loader 924G;924GZ;924H;924HZ
AL A10V O  AV A10VO	Caterpillar	157-608105 dozer D5N
AL A10V O  AV A10VO	Caterpillar	168-7873-04
AL A10V O  AV A10VO	Caterpillar	209-3258EC01 wheel loader 980GII
AL A10V O  AV A10VO	Caterpillar	235-2716 WHEEL-TYPELOADER:980H;
AL A10V O  SV A10VO	Caterpillar	254-5148
AL A10V O  AV A10VO	Caterpillar	235-2716-03 980H
AL A10V O  AV A10VO	Caterpillar	235-271605 980H
AL A10V O  SV A10VO	Caterpillar	186-3732
AL A10V O  AV A10VO	Caterpillar	186-3732-05 Loader 966G
AL A10V O  AV A10VO	Caterpillar	276-5826
AL A10V O  AV A10VO	Caterpillar	196-3807-00
AL A10V O  AV A10VO	Caterpillar	175-1832 00 Wheel loader 972G
AL A10V O  AV A10VO	Caterpillar	367-5206
AL A10V O  AV A10VO	Caterpillar	367-5207
AL A10V O  AV A10VO	Caterpillar	3731741
AL A10V O  AV A10VO	Caterpillar	318-8481-02
AL A10V O  AV A10VO	Caterpillar	195-9097-03
AL A10V O  AV A10VO	Caterpillar	318-8481-01
AL A10V O  AV A10VO	Caterpillar	229-0099
AL A10V O  AV A10VO	Caterpillar	156-9084-06
AL A10V O  AV A10VO	Caterpillar	262-5202E/C01
AL A10V O  AV A10VO	Caterpillar	168-9027 mini excavator
AL A10V O  AV A10VO	Caterpillar	270-272005 24M
AL A10V O  AV A10VO	Caterpillar	307-3063-02
AL A10V O  AV A10VO	Caterpillar	246-9876-04
AL A10V O  AV A10VO	Caterpillar	350-0666
AL A10V O  AV A10VO	Caterpillar	372-2778-01
AL A10V O  AV A10VO	Caterpillar	2765827
AL A10V O  AV A10VO	Caterpillar	370-2258 RH120
AL A10V O  AV A10VO	Caterpillar	370-2259 RH120
AL A10V O  AV A10VO	Caterpillar	163-2428
AL A10V O  AV A10VO	Caterpillar	307-3069-02
AL A10V O  AV A10VO	Caterpillar	397-6960
AL A10V O  AV A10VO	Caterpillar	358-5004 01
AL A10V O  AV A10VO	Caterpillar	448-9705
AL A10V O  AL A10VO	Caterpillar	122-1206 telehandler TH62;TH63;TH82;TH83
AP A10V O  AV A10VO	Caterpillar	204-2578-11
LA10V O +LA10V O  AV A10VO+A10VO	Caterpillar	163-2428-01
A A10V O  AV A10VO	Caterpillar( O&K)	270-0265

Specification