Western engineers the Western 99087 Gearbox to handle massive transmission torque requirements inside electric hopper salters. Additionally, this dual-stage worm gear assembly transfers raw motor power directly to the primary conveyor pintle chain drive shaft. Because heavy rock salt regular loads bind internal parts, commercial operators require heavy-duty reduction configurations. Therefore, this genuine original equipment replacement block prevents material feeding stalls on critical de-icing dispatches.
This sealed drive assembly features internal high-grade gears packed with low-temperature lubricant to reduce mechanical friction. The robust outer enclosure completely repels aggressive roadside salt brine and winter moisture penetration. Commercial fleet mechanics replace failing older modules smoothly using the included premium structural securement fasteners. Symmetrical factory mounting holes align perfectly with original equipment gearbox brackets to eliminate time-consuming service shop adjustments.
Technical Specifications & Fleet Benefits
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Heavy-duty worm gear configuration delivers an efficient 1:100 gear reduction ratio.
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Weather-sealed protective casing blocks corrosive roadside salt and sand entry points.
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Pre-machined 5/8-inch keyed input sleeve fits original manufacturer motor shafts perfectly.
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Included factory installation fasteners eliminate secondary vehicle component sourcing delays.
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Exact OEM alignment spacing matches current Fleet-Flex electrical system layouts cleanly.
Related Parts & Cross-Reference Table
| Part Number | Item Name | Technical Role |
| 99085 | Spreader Conveyor Motor | High-torque DC electric drive motor mounts directly onto the gear case flange. |
| 99094 | Gearbox Drive Shaft Kit | Hardened steel output shaft links the gearbox transmission to the primary conveyor chain sprocket. |
| 78076 | Conveyor Chain (99 Links) | Heavy-duty pintle chain pulls bulk rock salt through the hopper toward the discharge chute. |
| 49326 | Dielectric Grease | Silicone compound seals exposed motor power terminals from aggressive chemical moisture corrosion. |
Always refer to your Western Plow’s documentation and vehicle-specific installation instructions to confirm compatibility and proper installation procedures.
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