Full Specifications
NEBRASKA TRACTOR TEST 480
Description
Gasoline 4-speed 2WD/August 15 - 28, 1952/Link: Nebraska Tractor Test 480 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max)
58.53 hp/43.6 kW
Belt fuel use (max)
5.8 gal/hour/22.0 l/hour
Max power
51.68 hp/38.5 kW
Max pull
6,659 lbs/3020 kg
NEBRASKA TRACTOR TEST 481
Description
Tractor fuel 4-speed 2WD/August 18 - 29, 1952/Link: Nebraska Tractor Test 481 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max)
48.86 hp/36.4 kW
Belt fuel use (max)
5.0 gal/hour/18.9 l/hour
Max power
44.51 hp/33.2 kW
Max pull
6,444 lbs/2922 kg
NEBRASKA TRACTOR TEST 482
Description
LP gas 4-speed 2WD/August 21 - September 6, 1952/Link: Nebraska Tractor Test 482 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max)
59.60 hp/44.4 kW
Belt fuel use (max)
6.7 gal/hour/25.4 l/hour
Max power
51.73 hp/38.6 kW
NEBRASKA TRACTOR TEST 482
Max pull
6,874 lbs/3118 kg
J.I. CASE LA POWER
Drawbar (claimed)
51 hp/38.0 kW
Belt (claimed)
58 hp/43.3 kW
Drawbar (tested)
51.73 hp/38.6 kW
Belt (tested)
59.60 hp/44.4 kW
ENGINES OVERVIEW
Description
J.I. Case 6.6L 4-cyl gasoline/J.I. Case 6.6L 4-cyl tractor fuel/J.I. Case 6.6L 4-cyl LP gas
ENGINE DETAIL 1
Description
J.I. Case/gasoline/4-cylinder/liquid-cooled
Displacement
403.2 ci/6.6 L
Bore/Stroke
4.625x6 inches/117 x 152 mm
Air cleaner
oil bath
Compression
4.83 : 1
Rated RPM
1100
Firing order
1-3-4-2
Starter volts
6
Oil capacity
15 qts/14.2 L
Coolant capacity
61 qts/57.7 L
Sparkplug gap
0.030 inches/0.762 mm
Intake valve clearance
0.018 inches/0.457 mm *Cold
Exhaust valve clearance
0.018 inches/0.457 mm *Cold
ENGINE DETAIL 2
Description
J.I. Case/tractor fuel/4-cylinder/liquid-cooled
Displacement
403.2 ci/6.6 L
Bore/Stroke
4.625x6 inches/117 x 152 mm
Air cleaner
oil bath
Compression
4.09 : 1
Rated RPM
1100
Firing order
1-3-2-4
Starter volts
6
Oil capacity
15 qts/14.2 L
Sparkplug gap
0.030 inches/0.762 mm
Intake valve clearance
0.018 inches/0.457 mm cold
Exhaust valve clearance
0.018 inches/0.457 mm cold
ENGINE DETAIL 3
Description
J.I. Case/LP gas/4-cylinder/liquid-cooled
Displacement
403.2 ci/6.6 L
Bore/Stroke
4.625x6.00 inches/117 x 152 mm
Air cleaner
oil bath
Compression
7.58:1
Rated RPM
1150
Firing order
1-3-2-4
J.I. CASE LA ENGINES
Description
J.I. Case 6.6L 4-cyl gasoline/J.I. Case 6.6L 4-cyl tractor fuel/J.I. Case 6.6L 4-cyl LP gas
Fuel tank
31 gal/117.3 L (gas)/29 gal/109.8 L (tractor fuel)
Aux. fuel
2 gal/7.6 L
TRANSMISSION
Type
unsynchronized gear
Gears
4 forward and 1 reverse
MECHANICAL
Chassis
4x2 2WD
Steering
manual
Brakes
differential mechanical disc
Cab
Open operator station.
Transmission
4-speed unsynchronized gear
POWER TAKE-OFF (PTO)
Rear RPM
550
J.I. CASE LA TIRES
Ag front
7.50-18
Ag rear
15-30
DIMENSIONS
Operating weight
7515 lbs/3408 kg
Ballasted weight
10860 lbs/4926 kg
DIMENSIONS & TIRES
Weight
7515 lbs/3408 kg
Front tire
7.50-18
Rear tire
15-30
LA SERIAL NUMBERS
1940
4400001
1941
4500001
1942
4600001
1943
4700001
1944
4800001
1945
4900001
1946
5000001
1947
5100001
1948
5200001
1949
5300001
1950
5400001
1951
5500001
1952
5600001
1953
5700001
BELT PULLEY
Diameter
13 inches/33 cm
Width
8.25 inches/20 cm
RPM
814
Speed
2770 ft/min/844.30 meters/min
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