Case 850C Dozer and Crawler Loader Specs, Parts, and Serial Numbers (1981-1987)

Description:

Serial Number Location

To confirm year and model configuration of your Case 850C Dozer, locate the serial number:

• Stamped on the right side of the chassis frame, just behind the engine compartment

• May also be found on the data plate inside the operator’s area, mounted to the firewall or under the seat

Serial numbers begin with 7400### and are crucial when ordering parts for engines, tracks, and blade hydraulics.

Serial Number Reference by Year

Key Specifications

Key Features

• ✅ Two Engine Options – Choose between naturally aspirated (336BD) or turbocharged (336BDT) versions

• ✅ Compact Yet Capable – At 6'3" wide, fits easily on tight job sites while offering high pushing power

• ✅ Heavy-Duty Crawler Undercarriage – Delivers stability and traction in tough terrain

• ✅ Simplified Maintenance – Mechanical systems built for reliability and ease of service

• ✅ Parts Availability for Loader & Dozer Configurations – Support for both track loader and bulldozer variants

Maintenance & Common Issues

 Routine Maintenance

• Engine Oil & Filters – Change every 250 hours

• Transmission & Final Drive Oil – Service every 500 hours

• Cooling System Flush – Annually or more often in dusty environments

• Track Tension & Rollers – Inspect weekly

• Blade & Loader Pivot Points – Daily greasing for high-use jobs

⚠️ Common Issues & Fixes

• Engine Power Loss – Clean or replace injectors, check turbo (if equipped) – see engine parts

• Hydraulic Leaks – Repack blade or loader cylinders – shop hydraulic kits

• Transmission Slipping – Replace clutch packs or solenoids

• Track Wear or Chain Jump – Replace chains, adjust tension, or inspect sprockets – undercarriage parts