Farmall Cub Red Demonstrator Tractor – Specs, Parts & Serial Number Guide

Serial Number Location

The serial number is stamped on a plate located on the right side of the transmission housing, just behind the engine block. For Red Demonstrators, serial numbers typically fall within the #99356 to ~106000 range (early 1950).

Key Specifications

Historical Significance

• Factory White Paint: Though dubbed “Red Demonstrators,” these tractors were originally painted white to attract attention at shows and dealerships

• Limited Production Run: Built early in 1950, they were often repainted Farmall Red before resale

• Collector’s Model: Only a few thousand units were made, making original-condition tractors extremely rare and valuable

• Promotional Use: Designed to showcase features of the Cub line to prospective buyers before transitioning back to regular production units

Key Features

• Offset Cultivision Design: Provides clear visibility of the row for cultivating and tilling

• Compact, Agile Build: Perfect for small farms, orchards, and tight plots

• Fuel-Efficient Engine: C60 engine provides reliable power with low fuel use

• Wide Implement Compatibility: Supports mowers, cultivators, plows, and mid-mount attachments

• Vintage Collector Appeal: Especially rare in original white paint or with photographic documentation

Common Replacement Parts

Shop premium Farmall Cub Red Demonstrator parts at Broken Tractor:

Engine

• Pistons, rings, gaskets, carburetors, valves, ignition tune-up kits

Transmission & Clutch

• Shift forks, clutch discs, bearings, input shafts

PTO & Final Drive

• PTO clutch kits, seals, final drive gears, rear axles

Cooling & Fuel

• Radiators, fuel bowls, gas tanks, sediment filters

Steering & Electrical

• Steering boxes, tie rods, magnetos, generators, lighting kits

Maintenance Tips