Rexroth AA11VO AA11VLO variable hydraulic pumps for Caterpillar excavator 196-6098-02 344-3942-00 251-8037-02 240-0143-01 240-0150-00
- Product Details
- Product Model
- FAQ
At first glance, the AA11VO and AA11VLO look nearly identical. Both are swashplate-type, variable displacement axial piston pumps designed for open circuits. However, the subtle difference matters for Caterpillar applications.
AA11VO-The Workhorse for Standard Duty
The AA11VO (the ‘O’ stands for Open circuit) features a swashplate design optimized for medium-pressure, high-flow consistency. It is commonly found in mid-size Cat excavators like the 320D and 323F. Key traits:
Control systems: Load-sensing (DFR1/DFR), pressure-cutoff (DR), or electronic proportional (EP).
Bearings: Heavy-duty tapered roller bearings for radial loads from the drive coupling.
Best for: General excavation, grading, and material handling.
AA11VLO-The Heavy-Lift Specialist
The AA11VLO (the ‘L’ indicates Long-life bearing and improved suction performance) is the evolution. It uses a larger shaft end and increased displacement range (up to 200 cc/rev). Cat excavators with high-attachment demands (hydraulic hammers, shears) benefit from the VLO's:
Reinforced drive shaft: Handles peak torque spikes from demolition work.
Enhanced suction port: Reduces cavitation risk when running warm, thin hydraulic oil.
Typical Cat applications: 330GC, 336, and 349 models with high-flow auxiliary circuits.
For more brand and equipment models, please visit https://www.baolilaihydraulic.com/brand/

| Application equipment brands | Application equipment No. |
| Caterpillar | For repair CAT CM30 MB3 |
| Caterpillar | 281-828407 off highway truck797B,797F |
| Caterpillar | 303-9326/08 795F Fan pump Mining Dumper |
| Caterpillar | wheel loader 990(TIER 3 IMPLEMENT PUMP) |
| Caterpillar | 344-3943(10R-5462) off highway truck:793D |
| Caterpillar | 299-393500 off highway truck 793D |
| Caterpillar | 196-6098-02 |
| Caterpillar | 196-6098-03(10R-3806) 990II;844(steering pump) |
| Caterpillar | excavator 365C;365CL |
| Caterpillar | 295-9677 02 |
| Caterpillar | 240-7789-02(10R-5464) off highway truck:793D |
| Caterpillar | 299-393700 off highway truck 793D |
| Caterpillar | 344-3942-00 |
| Caterpillar | 240-7789-00 off highway truck:793D |
| Caterpillar | 335-5893 off highway truck:793D |
| Caterpillar | wheel loader990H(TIER 3 IMPLEMENT PUMP) |
| Caterpillar | 105-7282-03 |
| Caterpillar | 141-1463-04(0R-9343) 992G,854G(steering pump) |
| Caterpillar | 141-1462-03(0R-9342) 992G(implement pump) |
| Caterpillar | 138-4820-00 5230 |
| Caterpillar | 135-8865 |
| Caterpillar | 107-6438 |
| Caterpillar | 135-8864 375;375L;5080 |
| Caterpillar | 107-6439 375;375L;5080 |
| Caterpillar | 135-8863 |
| Caterpillar | 7Y-4005 |
| Caterpillar | 301-9250/06 795F Steering pump Mining Dumper |
| Caterpillar | 263-5065-00(10R-7399) 994F(steering pump) |
| Caterpillar | 420-1753-01 |
| Caterpillar | 263-5064-01(10R-7398) 994F |
| Caterpillar | 249-7024-04 WTL 992X Steering |
| Caterpillar | 251-6516-02 854K |
| Caterpillar | 216-4826 WTL992G |
| Caterpillar | 245-096101 |
| Caterpillar | 295-9678 |
| Caterpillar | 259-0784-02 excavator:385&390D |
| Caterpillar | 259-0878-00D10R-0549 |
| Caterpillar | 340-3402-00 M315D |
| Caterpillar | 111-3727 M318 |
| Caterpillar | 130-2447 |
| Caterpillar | 340-3403-01 M315D |
| Caterpillar | 190-8198-02 |
| Caterpillar | 251-8030-04 M315D-Serie |
| Caterpillar | 251-8032 M316DC,Ser.:W6A00805(2008) |
| Caterpillar | 251-8034-04 M318D |
| Caterpillar | 240-0147-01 |
| Caterpillar | 240-0149-01 |
| Caterpillar | 251-8031-01 |
| Caterpillar | 251-8033-01 |
| Caterpillar | 240-0146-01 |
| Caterpillar | 240-0148-01 |
| Caterpillar | 251-8035 M318D |
| Caterpillar | 240-0144-01 |
| Caterpillar | 432-8162-02 M322D |
| Caterpillar | 432-8567(front pump) |
| Caterpillar | 251-8037-02 mobile excavator M322D |
| Caterpillar | 240-0142-00 |
| Caterpillar | 240-0143-01 excavator: M322C |
| Caterpillar | 197-9994-04 M322C |
| Caterpillar | 128-4326 M320 |
| Caterpillar | 251-8036-03 |
| Caterpillar | 147-5806 |
| Caterpillar | 296-7683-02 |
| Caterpillar | 117-8025 |
| Caterpillar | 251-8029-01 |
| Caterpillar | 240-0150-00 |
| Caterpillar | 240-0151-01 |
| Caterpillar | 251-8028-03 |
| Caterpillar | 130-7673-01 |
Q1: Which Caterpillar excavator models are commonly associated with the AA11VO pump?
A1: It is commonly found in mid-size Cat excavators like the 320D and 323F.
Q2: What does the "O" in AA11VO stand for, and what type of circuit is this pump designed for?
A2:The "O" stands for *Open circuit*, and the pump is designed for open hydraulic circuits.
Q3:What is the price and delivery time of the AA11VO/AA11VLO hydraulic pump for the Caterpillar excavator?
A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.
Q4:How to purchase a Caterpillar excavator hydraulic pump?
A4:You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.












