Product Description
Jungheinrich 77800503 electric hydraulic pump motor assembly operates at 24VDC for material handling equipment. DC brush motor design drives hydraulic pump systems in electric pallet jacks and stackers. OEM part number 77800503, cross-referenced as 50013075. Aftermarket equivalent units available from authorized distributors.
Specifications
Electrical
| Nominal Voltage | 24VDC |
Part Numbers
| OEM Part Number | 77800503 |
| Alternative Part Number | 50013075 |
| Compatible Equipment Models | Jungheinrich electric material handling equipment |
| Supplier Part Number Reference | JU77800503 (distributor prefix format) |
Frequently Asked Questions
Q: What is the Jungheinrich 77800503 hydraulic pump motor assembly?
A: SKU 77800503 is a Jungheinrich electric hydraulic pump motor assembly operating at 24VDC. This DC brush motor drives hydraulic pump systems in Jungheinrich electric pallet jacks, stackers, and material handling equipment to control lift and lower functions.
Q: What voltage does the 77800503 operate at?
A: OEM part number 77800503 operates at 24VDC (24-volt direct current). Confirm your Jungheinrich equipment system voltage is 24VDC before ordering this pump motor assembly.
Q: What is the cross-reference or equivalent part number for 77800503?
A: Jungheinrich 77800503 has a documented alternative part number 50013075. Contact our parts team to confirm equivalency and availability of cross-referenced components for your specific equipment model and year.
Q: Which Jungheinrich equipment models use pump motor assembly 77800503?
A: OEM part 77800503 is used in various Jungheinrich electric pallet jacks and stackers. Verify your equipment model, serial number, and system voltage against this part number. Contact our parts department to confirm fitment for your specific lift truck model.
Q: What type of motor design is the 77800503?
A: The 77800503 features a DC brush motor design. This motor type provides reliable performance for hydraulic pump actuation in electric material handling equipment and is standard in Jungheinrich hydraulic systems.
Q: How do I identify if pump motor 77800503 is failing?
A: Failure symptoms include reduced lift or lower speed, no hydraulic function despite power present, audible grinding or squealing from the motor, or intermittent motor operation. These indicate worn brushes, bearing failure, or motor winding problems.