J.I. Case 431

The J.I. Case 431 is a tractor produced by J I Case. It is equipped with a 188.4 ci 3.1 L engine. The rated power output is 34.38 hp 25.6 kW. Transmission: Dual Range. Operating weight: 3375 to 3839 pounds.

Overview

	1960 - 1969 430 SeriesRow-Crop tractor
1960 - 1969
430 Series
Row-Crop tractor

Production
Manufacturer	J.I. Case
Row-Crop tractor
Factories	Rock Island, Illinois, USA
	Racine, Wisconsin, USA
Original price	$4,500 (1969)

Variants
430	standard-front diesel
431	row-crop diesel
440	standard-front gas
441	row-crop gas
445	industrial

J.I. Case 431 Engine
J.I. Case 3.1L 4-cyl diesel
Fuel tank	13 gal 49.2 L
Engine details ...

J.I. Case 431 Power
PTO (claimed)	34 hp 25.4 kW
Plows	3
Drawbar (tested)	30.33 hp 22.6 kW
PTO (tested)	34.38 hp 25.6 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
	power (1965 on)
Mechanical band/disc brakes
Open operator station

Hydraulics
Type	Dual-Control
Valves	1

Tractor hitch
Rear Type	I
Control	Draft-o-Matic draft control
Type	Case Eagle Hitch

Power Take-off (PTO)
Rear PTO	live
	independent *Independent PTO optional beginning in 1966.
Rear PTO Type	540
	540/1000

Dimensions & Tires
Wheelbase	79.5 inches (wide front) 201 cm
	84.5 inches (tricycle) 214 cm
Weight	3375 to 3839 pounds
Front tire	5.50x16
Rear tire	12.4x28
Full dimensions and tires ...

Belt Pulley
Diameter	10.25 inches 26 cm
Width	6 inches 15 cm
RPM	1190

References
295 / 391 / 392 Loaders published in 1966, by J.I. Case
430 - 530: 3-4 plow Draft-o-matic models published in 1966, by J.I. Case
430 Series published in 1960, by J.I. Case
430 published in 1963, by J.I. Case
1960 Progress Parade of Case Farm Equipment published by J.I. Case
A Complete New Line of Case Plus-Powered Tractors published in 1960, by J.I. Case
1965 Buyers Guide published by J.I. Case
Buyers Guide for '67 published in 1967, by J.I. Case

Engine

Engine Detail — 188.4 ci / 3.1 L Diesel

Manufacturer	J.I. Case
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled overhead valve
Displacement	188.4 ci 3.1 L
Bore/Stroke	3.8125x4.125 inches 97 x 105 mm
Air cleaner	oil bath
Compression	17.5:1
Rated RPM	1750
Starter volts	12
Oil capacity	5 qts 4.7 L
Coolant capacity	13.5 qts 12.8 L

Transmission

Transmission options
4-speed unsynchronized gear
12-speed unsynchronized gear
8-speed mechanical shuttle
8-speed unsynchronized gear

Transmission — 4 forward and 1 reverse unsynchronized gear

Type	unsynchronized gear
Gears	4 forward and 1 reverse
Clutch	254mm dry disc
With 10-28 rear tires.

Transmission — Tripl-Range

Transmission	Tripl-Range
Type	unsynchronized gear
Gears	12 forward and 3 reverse
Clutch	254mm dry disc
Tripl-Range adds three ranges (low, direct, and high) to the basic four-speed transmission.

Transmission — Dual-Range Shuttle

Transmission	Dual-Range Shuttle
Type	mechanical shuttle
Gears	8 forward and reverse
Clutch	279.4mm dry disc
Four gears in two ranges with mechanical shuttle.

Transmission — Dual Range

Transmission	Dual Range
Type	unsynchronized gear
Gears	8 forward and 2 reverse
Clutch	254mm dry disc

Dimensions

J.I. Case 431 Tires
Ag front	5.50x16
Ag rear	12.4x28
	13.6x28

Dimensions
Wheelbase	79.5 inches (wide front) 201 cm
	84.5 inches (tricycle) 214 cm
Length	127.375 inches (wide front) 323 cm
	130.125 inches (tricycle) 330 cm
Width	79.625 inches 202 cm
Height (hood)	57 inches 144 cm
Ground clearance	20.125 inches 51 cm
Front tread	6.5/11.5 inches 16/29 cm
Front tread	48 to 72 inches 121 to 182 cm
Front tread	52 to 80 inches 132 to 203 cm
Rear tread	48 to 88 inches 121 to 223 cm

J.I. Case 431 Weight
Shipping	3375 lbs (tricycle) 1530 kg
	3495 lbs (wide front) 1585 kg
Operating	3839 lbs 1741 kg
Ballasted	6355 lbs 2882 kg

Tests

Nebraska Tractor Test 785
Diesel 4-speed 2WD April 6 - 15, 1961 Link: Nebraska Tractor Test 785 file
PTO performance
Power at rated engine speed	34.38 hp 25.6 kW
Fuel use	2.0 gal/hour 7.6 l/hour
Drawbar performance
Max power	30.33 hp 22.6 kW
Fuel use	2.1 gal/hour 7.9 l/hour
Gear 3 used for power test.
Max pull	4,506 lbs 2043 kg
Gear 1 used for pull test.