Farmall 140 Tractor Specs, Parts, and Serial Numbers (1958-1981)

Serial Number Location

The serial number plate for the Farmall 140 is located on the left-hand side of the transmission housing, just below the operator’s seat. Use this number to determine the year of manufacture and ensure accurate parts selection.

Specifications

Serial Numbers by Year

Key Features

• Proven C-123 Gasoline Engine – Simple, reliable power ideal for row crops, mowing, and utility tasks

• Compact 4-Speed Transmission – Offers solid torque and gear flexibility for low-speed precision or general hauling

• Balanced, Lightweight Build – At just over 3,000 lbs, it’s easy to maneuver in tight spaces and small plots

• Durability for Generations – A long production run (1958–1981) means strong support and part availability

Common Replacement Parts

Find Farmall 140 parts at Broken Tractor:

Engine

• Gaskets, pistons, rebuild kits, spark plugs, oil pumps, and carburetors for the C-123

Transmission & Clutch

• Shift forks, clutch discs, pressure plates, seals, and bearings

Electrical

• Starters, alternators, voltage regulators, switches, and harnesses

Cooling & Fuel

• Radiators, water pumps, fuel tanks, hoses, and sediment bowls

Steering & Axle

• Spindles, tie rods, steering boxes, front axle pins and bushings

Maintenance Tips