Product Description
Master cylinder for Raymond electric lift trucks, SKU RA 821-002-344. This unit directly replaces 821-900-037 and is equivalent to Raymond part numbers 821-900-040-001 and 821-900-040-002. Designed to meet original manufacturer specifications for hydraulic control applications.
Specifications
Part Numbers
| OEM Part Number | RA 821-002-344 |
| Cross-Reference Part Numbers | 821-900-037 |
| Supersedes/Replaces | 821-900-037 |
| Equivalent Part Numbers | 821-900-040-001, 821-900-040-002 |
Frequently Asked Questions
Q: What Raymond parts does master cylinder RA 821-002-344 replace?
A: RA 821-002-344 directly replaces 821-900-037 and is equivalent to Raymond part numbers 821-900-040-001 and 821-900-040-002. If your truck currently uses those part numbers, this is the correct direct replacement.
Q: What is the function of a master cylinder in a Raymond electric lift truck?
A: The master cylinder generates hydraulic pressure from joystick or control input and distributes it through the hydraulic system to multiple slave cylinders controlling lift, lower, and tilt functions.
Q: Which Raymond electric lift truck models use RA 821-002-344?
A: This master cylinder is designed for Raymond electric lift truck models that originally used part numbers 821-900-037, 821-900-040-001, or 821-900-040-002. Verify your truck model and serial range in your documentation before ordering.
Q: What symptoms indicate the master cylinder needs replacement?
A: Signs of master cylinder failure include no hydraulic response to controls, intermittent function, loss of pressure in one or more functions, external fluid leaks, soft or spongy control feel, or inability to build system pressure.
Q: Are there other cross-reference numbers for RA 821-002-344?
A: The primary cross-references are 821-900-037 (replaced), 821-900-040-001 (equivalent), and 821-900-040-002 (equivalent). If your truck uses a different master cylinder SKU, do not substitute without confirming hydraulic system compatibility.
Q: What maintenance requirements apply to master cylinder RA 821-002-344?
A: Maintain clean hydraulic fluid per OEM specifications, perform regular fluid level checks, replace filters as scheduled, monitor control pressure to detect leaks early, and keep the cylinder exterior clean. Preventive maintenance extends service life significantly.