Comprehensive Shop Manual: Allis-Chalmers B C CA G RC WC WF WD WD45 WD45D Tractors (1933-1958)

Allis-Chalmers Shop Manual for B, C, CA, G, RC, WC, WF, WD, WD45 & WD45D

Master the maintenance and repair of your vintage Allis-Chalmers fleet with this professional-grade shop manual. Covering a wide range of iconic agricultural tractors produced between 1933 and 1958, this manual is the definitive technical resource for restorers, collectors, and active farmers who depend on these classic machines.

This manual provides deep technical insights into various tractor configurations, including Tricycle types (Double Wheel and Single Wheel) and Axle types (Non-Adjustable and Adjustable). Whether you are working on the versatile Model B or the powerful WD45 Diesel, this guide delivers the precision data required for a factory-standard repair.

Essential Serial Number Locations

To ensure you are ordering the correct parts and following the right specifications, this manual helps you identify your machine via official serial number locations:

• Models B, C, CA, and G: Tractor serial stamped on top of the transmission.
• Models RC, WC, and WF: Tractor serial stamped on the rear face of the rear axle housing.
• Models WD and WD45: Tractor serial stamped on the rear face of the transmission.
• Model WD45 Diesel: Serial located at the left brake cover or on the left rear side of the transmission housing.
• Engine identification: Stamped on the top left rear engine flange (B, C, CA, RC), side of the left rear engine flange (G), or the left side of the cylinder block (WC, WD, WD45, WD45D, WF).

Comprehensive Coverage for Iconic Models

This manual offers specific technical data for the following Allis-Chalmers models:

• Model B (1937-1957): The compact legend that revolutionized the small farm.
• Model C & CA: Evolution of the tricycle design with enhanced power.
• Model G (1948-1955): The unique rear-engine tool carrier.
• Model RC & WC: The workhorses of the late 30s and 40s.
• Model WF: The standard-tread version of the WC.
• Model WD & WD45: Featuring the innovative Snap-Coupler system and high-compression engines.
• Model WD45 Diesel: Detailed coverage for the specialized diesel variant.

Expert Technical Content

The manual is structured for quick navigation on mobile devices or in the workshop, covering:

• Engine Service: Full teardown and rebuild specs for gas and diesel units.
• Clutch and Transmission: Adjustments for single and dual-clutch systems.
• Power Lift and Hydraulics: Detailed schematics for mechanical power lifts (RC/WC) and hydraulic systems (WD/WD45).
• Differential and Final Drive: Precision tolerances for rear axle and gear alignment.
• Power Take-Off (PTO): Service procedures for PTO drive housings and extension shafts.
• Steering and Front Axle: Maintenance for both adjustable and fixed axle versions.

Why This Manual is Essential

• High-resolution diagrams: Includes detailed views of components like the WD power take-off drive and RC/WC mechanical lift units.
• Clear instructions: Step-by-step procedures that take the guesswork out of complex mechanical timing and gear backlash adjustments.
• Professional specs: Torque settings, shim requirements, and alignment data to preserve the longevity of your tractor.

Avoid costly downtime and keep your Allis-Chalmers running for another generation with this indispensable shop manual.