Product Description
The Clark CL 2789890-SG is a caster wheel assembly with integrated string guards, designed for electric lift truck use. Features include polyurethane wheel tread with 95A hardness, heavy-gauge steel bracket, dual steel string guards, and sealed ball bearings. Suitable for Clark electric lift trucks requiring this assembly position. No direct cross-reference or superseding part numbers are identified. Wheel diameter and width require confirmation per equipment model.
Specifications
Material & Construction
| Wheel Material | Polyurethane, hardness rating 95A |
| Assembly Construction | Heavy-gauge steel bracket, powder coat finish |
| Finish | Powder coat on steel bracket; machined finish on wheel hub |
| String Guard Material | Steel, powder coat finish |
| String Guard Type | Dual steel string guards |
| Bearing Type | Sealed ball bearings |
Part Information
| Part Number | 2789890-SG |
| Manufacturer | Clark Equipment |
| Cross Reference | No direct cross-reference or superseding part numbers identified |
| Application | Electric lift truck caster wheel assembly |
Frequently Asked Questions
Q: What is the difference between 2789890 and 2789890-SG?
A: The 2789890-SG includes integrated dual steel string guards for additional safety protection. Both feature identical polyurethane wheels with 95A hardness and sealed bearings. Choose the -SG version if your application requires string guard containment.
Q: What material is the wheel on the 2789890-SG?
A: The wheel is polyurethane with 95A durometer hardness rating. This provides balanced traction and load capacity for electric lift trucks on standard warehouse and production floors.
Q: What are the string guards made of?
A: The dual string guards are constructed from steel with powder coat finish. String guards help contain rope, strapping, and debris that could otherwise wrap around the wheel.
Q: What is the assembly weight?
A: The assembly weight. This includes the polyurethane wheel, heavy-gauge steel bracket, string guards, sealed ball bearings, and all integrated components.
Q: Which Clark electric lift truck models use the 2789890-SG?
A: The 2789890-SG is designed for specified Clark electric lift truck models. require confirmation per your equipment model and serial range. Contact us with your lift truck specifications for compatibility verification.
Q: What bearing type is used in this assembly?
A: The assembly uses sealed ball bearings, which minimize maintenance and protect against floor debris, water, and dust ingress common in material handling operations.
Q: What is the purpose of string guards on a caster wheel?
A: String guards protect the wheel by containing rope, strapping, ratchet straps, and other floor debris from wrapping around the wheel during operation, which could cause jamming or safety hazards.
Q: How should the 2789890-SG assembly be stored?
A: Store in a clean, dry environment away from direct sunlight and extreme temperatures. Keep the assembly in its original packaging or on a protective surface to prevent dust accumulation on the wheel and bearing seals.
