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The Heaviest-Duty Crane Pump We Cover

Bosch Rexroth A4VSO250 Hydraulic Pump

The A4VSO250 is a large-displacement variable/load-sensing pump specified for the heaviest crawler crane applications — the same Liebherr LR, Manitowoc, and Kobelco CK family that uses the A11VO130, but at a significantly larger displacement class for the biggest lift-capacity machines.

Heavy Crawler Cranes (Liebherr LR, Manitowoc, Kobelco CK) 400 bar / 250 cc/rev 3-Month Warranty
Bosch Rexroth A4VSO250 Hydraulic Pump
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At 250 cc/rev and 400 bar, this is among the largest and highest-value pumps we handle — reserved for the biggest crawler cranes in heavy lift and infrastructure work. Given the scale and safety stakes involved, we're especially thorough with documentation on this specific model — the written test report becomes essential supporting evidence for your crane's own safety compliance records.

A4VSO250 — Confirmed Applications

MachineTypePressureDisplacement
Liebherr LR series (heavy)Crawler Crane (heavy lift)400 bar250 cc/rev
Manitowoc heavy crawler cranesCrawler Crane (heavy lift)400 bar250 cc/rev
Kobelco CK series (large)Crawler Crane (heavy lift)400 bar250 cc/rev

Confirm your exact machine and pump nameplate before ordering — WhatsApp a photo for a precise match.

What Our Quality Process Covers

Piston & Swashplate Assembly

Measured against Rexroth's original A4VSO250 tolerance specification.

Regulator/Control Response

Tested for accurate response matched to your specific application.

Shaft Seal & All O-rings

Replaced as standard on every unit.

Bench Pressure & Flow Test

Verified at 400 bar rated pressure, documented on the written test report.

We Supply Across India

FAQs — A4VSO250 Pump

Given the value of this pump, what documentation do I get?
A full written test report with actual measured pressure and flow figures — we recommend keeping this with your crane's own safety compliance and maintenance records given the scale of equipment involved.
What's the typical lead time for a pump this specialised?
Given the lower volume and higher value of this specific model, WhatsApp us your machine details for an honest current timeline before committing to a purchase timeline.

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