J.I. Case

431

Farm tractor · 1960–1969 · 37 hp

The J.I. Case 431 is a farm tractor manufactured from 1960 to 1969. It features a J.I. Case engine, and manual; power (1965 on) steering. The transmission is a unsynchronized gear type with 4 forward and 1 reverse.

Engine

EngineJ.I. Case
Fuel Typediesel
Cylinders4
Coolingliquid-cooled overhead valve
Displacement188.4 ci (3.1 L)
Bore3.81 in (97 mm)
Stroke4.13 in (105 mm)
Compression Ratio17.5
Power PTO34.38 hp (25.6 kW)
Power Drawbar30.33 hp (22.6 kW)
Air Cleaneroil bath
Starter Volts12
Oil Capacity5 qts (4.7 L)
Coolant Capacity13.5 qts (12.8 L)
ManufacturerJ.I. Case
Rated1,750 RPM

Transmission

Transmission Typeunsynchronized gear
Gears4 forward and 1 reverse
Clutch254mm dry disc
Available Options4-speed unsynchronized gear, 12-speed unsynchronized gear, 8-speed mechanical shuttle, 8-speed unsynchronized gear

Hydraulics

TypeDual-Control
Valves1

Hitch

Rear TypeI
Hitch ControlDraft-o-Matic draft control

Dimensions

Length130.13 in (330 cm)
Width79.63 in (202 cm)
Height57 in (144 cm)
Wheelbase84.5 in (214 cm)
Ground Clearance20.13 in (51 cm)
Front Tread48 in (121 cm)
Rear Tread48 in (121 cm)

Weight

Shipping3,375 lbs (1,530 kg)
Operating3,839 lbs (1,741 kg)
Ballasted6,355 lbs (2,882 kg)

Tires & Tracks

Front Ag5.50x16
Rear Ag12.4x28, 13.6x28

Fuel

Capacity13 gal (49.2 L)

Steering

Typemanual; power (1965 on)