Seal Kit for Blue Giant ROI-5, ROI-55, MTS 2000
40877
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Compatibility
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Product Description
Blue Giant hydraulic seal kit (40877) for manual pallet jack models ROI-5, ROI-55, and MTS 2000. Includes NBR O-rings and polyacetal wear rings. OEM equivalent to BG 810-456. Designed for 1.25 inch bore, 0.625 inch piston rod, maximum hydraulic pressure 2600 PSI; compatible with ISO VG 46 hydraulic fluid; temperature range -22°F to +212°F.
Specifications
Part Numbers & Compatibility
| Make | Blue Giant |
| Model | ROI-5, ROI-55, MTS 2000 |
| Fluid Compatibility | Compatible with ISO VG 46 hydraulic oil |
| Manufacturer Part Number | 40877 |
| Part Number | BG 810-456 |
Performance Specifications
| Temperature Range | -22°F to +212°F |
Additional Specifications
| Wear Ring Material | Polyacetal resin (POM), ASTM D4181 |
| Supersedes | 810-456 |
| Piston Rod Size | 0.625 inch |
| Maximum Hydraulic Pressure | 2600 PSI |
Frequently Asked Questions
Q: Which pallet jack models is the 40877 compatible with?
A: The 40877 is compatible with Blue Giant manual pallet jack models ROI-5, ROI-55, and MTS 2000. Confirm your equipment model before ordering.
Q: What materials are used in the 40877 seal kit?
A: The 40877 includes NBR O-rings for dynamic sealing and polyacetal resin (POM) wear rings per ASTM D4181 for low-friction piston guidance. These materials provide reliability in standard warehouse conditions.
Q: When should the 40877 seal kit be replaced?
A: Replace the 40877 when you observe hydraulic fluid leakage around the cylinder rod, sluggish pump operation, or inability to maintain load. Worn seals allow internal hydraulic bypass and loss of lifting capacity.
Q: What are the recommended replacement guidelines for the 40877?
A: Always check for signs of wear or damage before replacing the 40877. Keep spare seals on hand for critical equipment to ensure continuous operation.