Bosch Rexroth A10VG A11VO axial piston hydraulic pumps for the Manitou Forklift 599001 603217 657822 689420
- Product Details
- Product Model
- FAQ
A10VG vs A11VO: Two Pumps, Two Circuits
The key distinction is the type of hydraulic circuit each pump serves.
A10VG: the closed-circuit drive pump
The A10VG is a swashplate pump built for closed-circuit hydrostatic drives in mobile equipment. In a closed circuit, oil goes from the pump to the drive motor and straight back to the pump, without returning to the tank in between. That's why the pump has to look after itself.
Three features matter for a service technician:
Swashplate control. Flow rises as the swashplate angle increases from zero, and the flow direction reverses smoothly as the plate passes through neutral. That's what gives you smooth forward and reverse without a gearbox shuttle.
Built-in boost pump. The unit combines the main pump and a charge pump, which replenishes internal leakage in the loop.
Protection valves. Two high-pressure relief valves guard the pump and motor against overload, and they double as boost valves.
Rexroth offers a range of control options on the A10VG. Part numbers in distributor listings show HD, HW and EP variants, for example. Which one your machine has depends on how the drive is commanded, so identify it before you order.
A11VO: the open-circuit workhorse
The A11VO is a variable axial piston pump for open-circuit hydrostatic drives, designed primarily for mobile applications. In an open circuit, the pump draws from the tank, pushes oil to the valves and cylinders, and the oil returns to the tank. On a forklift or telehandler, this is the typical layout for lift, tilt, telescope and attachment functions.
Useful details:
It comes in sizes from 40 to 260 cc/rev.
A through-drive lets you mount a second pump of the same nominal size, which is why you'll see tandem arrangements.
The Series 1 datasheet lists LR power control, DR pressure control, HD pilot-pressure-related control, and EP electric proportional control.
Maintenance That Extends Pump Life
Oil cleanliness is the main lever. Change filters on schedule and use clean transfer equipment.
Follow the start-up procedure after any repair. Fill the pump case with clean oil before starting, or you risk dry-running the rotating group.
Record boost pressure and case drain flow at commissioning. A baseline turns future diagnosis from guesswork into comparison.
Watch temperature. Blocked coolers and low oil levels cook closed-circuit systems quickly.
Don't over-tighten or re-shim anything you haven't got a procedure for. Setting controls without test equipment is how good pumps become bad ones.
For more brands and equipment models, please visit https://www.baolilaihydraulic.com/brand/
| Application equipment brands | Application equipment No. |
| Manitou | 599001 |
| Manitou | 603217 |
| Manitou | 657822 |
| Manitou | 689420 |
Q1: Are the A10VG and A11VO interchangeable?
A1: No. One is a closed-circuit drive pump, and the other is an open-circuit pump. They differ in ports, controls, and function.
Q2: Does every Manitou forklift use these pumps?
A2: No. Manitou uses various hydrostatic and hydraulic layouts across its telehandler and forklift ranges. Confirm against your parts book and the pump nameplate.
Q3: What is the price and delivery time of the A11VO A10VG hydraulic pump for the Manitou Forklift?
A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.
Q4: How to purchase an A11VO A10VG hydraulic pump for the Manitou Forklift?
A4: You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.
