J.I. Case 630

The J.I. Case 630 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 48.24 hp 36.0 kW. Transmission: Case Dual-Range. Operating weight: 4600 to 4800 pounds.

Overview

	1960 - 1963 630 SeriesUtility tractor
1960 - 1963
630 Series
Utility tractor

Production
Manufacturer	J.I. Case
Utility tractor
Factories	Rock Island, Illinois, USA
	Racine, Wisconsin, USA
Total built	1,181
Original price	$4,500
A high-speed fourth gear was optional in most 630 series transmissions, an H would appear at the end of the model number to inidcate this option.

Variants
630	diesel standard
631	diesel row-crop
640	gas standard
641	gas row-crop

J.I. Case 630 Engine
J.I. Case 3.1L 4-cyl diesel
Fuel tank	22 gal 83.3 L
Engine details ...

J.I. Case 630 Power
Belt (claimed)	50 hp 37.3 kW
Plows	4
Drawbar (tested)	43.71 hp 32.6 kW
PTO (tested)	48.85 hp 36.4 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	power assist
Differential mechanical dry disc brakes
Open operator station.

Hydraulics
Type	Dual-Control

Tractor hitch
Type	Case Eagle Hitch

Power Take-off (PTO)
Rear PTO	continuous
	independent (Case-o-matic)
Rear PTO Type	540 (1.375)
	540/1000 (1.375)

Dimensions & Tires
Weight	4600 to 4800 pounds
Front tire	7.50-16
Rear tire	16.9-28
Full dimensions and tires ...

Belt Pulley
Diameter	9.25 inches 23 cm
Width	6 inches 15 cm

Electrical
Ground	positive
Batteries	2
Battery volts	6

References
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

Engine

Engine Detail — 188.4 ci / 3.1 L Diesel

Manufacturer	J.I. Case
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	188.4 ci 3.1 L
Bore/Stroke	3.8125x4.125 inches 97 x 105 mm
Compression	17.5:1
Rated RPM	2250
Starter volts	12

Transmission

Transmission options
8-speed torque converter
12-speed
8-speed
4-speed gear

Transmission — Case Case-o-matic

Transmission	Case Case-o-matic
Type	torque converter
Gears	8 forward and 2 reverse
Clutch	hydraulic wet disc
Tractors equipped with the Case-o-Matic were sometimes referred to as the 630C.

Transmission — Case Tripl-Range

Transmission	Case Tripl-Range
Gears	12 forward and 3 reverse
Clutch	dry disc

Transmission — Case Dual-Range

Transmission	Case Dual-Range
Gears	8 forward and reverse
Clutch	dry disc

Transmission — 4 forward and 1 reverse gear

Type	gear
Gears	4 forward and 1 reverse
Clutch	dry disc

Dimensions

J.I. Case 630 Tires
Ag front	7.50-16
Ag rear	16.9-28

Dimensions
Front tread	52 inches 132 cm
Rear tread	48 to 76 inches 121 to 193 cm

J.I. Case 630 Weight
Operating	4,600 lbs 2086 kg
	4,800 lbs (Case-o-Matic) 2177 kg
Ballasted	9,725 lbs 4411 kg

Tests

Tractor Tests
NTTL 787: diesel Case-O-Matic 2WD
NTTL 788: diesel 12-speed 2WD

Nebraska Tractor Test 787
Diesel Case-O-Matic 2WD April 7 - 21, 1961 Link: Nebraska Tractor Test 787 file
PTO performance
Power at rated engine speed	48.85 hp 36.4 kW
Fuel use	3.9 gal/hour 14.8 l/hour
Power at rated PTO speed	45.24 hp 33.7 kW
Fuel use	3.5 gal/hour 13.2 l/hour
Drawbar performance
Max power	43.71 hp 32.6 kW
Gear 5 used for power test.
Max pull	7,190 lbs 3261 kg
Gear 1 used for pull test.

Nebraska Tractor Test 788
Diesel 12-speed 2WD April 10 - 22, 1961 Link: Nebraska Tractor Test 788 file
PTO performance
Power at rated engine speed	48.24 hp 36.0 kW
Fuel use	3.3 gal/hour 12.5 l/hour
Power at rated PTO speed	47.40 hp 35.3 kW
Fuel use	3.2 gal/hour 12.1 l/hour
Drawbar performance
Max power	40.68 hp 30.3 kW
Fuel use	3.2 gal/hour 12.1 l/hour
Gear 7 used for power test.
Max pull	6,987 lbs 3169 kg
Gear 1 used for pull test.