TRACTORSPY
Home / J.I. Case / LA

J.I. Case LA Specs ( 1940-1953 )

Compare Tractor

Production

Description Standard-tread tractor / Built in Racine, Wisconsin, USA / The stout Case LA was often a candidate for re-powering with a Detroit Diesel 3-71 engine.
Manufacturer J.I. Case
Total built 35,493

Engine

Air cleaner oil bath / oil bath / oil bath
Bore/Stroke 4.625x6.00 inches (117 x 152 mm) / 4.625x6 inches (117 x 152 mm) / 4.625x6.00 inches (117 x 152 mm)
Compression 4.83:1 / 4.09 : 1 / 7.58:1
Coolant capacity 61 qts (57.7 L)
Description J.I. Case / gasoline / 4-cylinder / liquid-cooled / J.I. Case / tractor fuel / 4-cylinder / liquid-cooled / J.I. Case / LP gas / 4-cylinder / liquid-cooled
Displacement 403.2 ci (6.6 L) / 403.2 ci (6.6 L) / 403.2 ci (6.6 L)
Exhaust valve clearance 0.018 inches*Cold (0.457 mm) / 0.018 inches (0.457 mm)
Firing order 1-3-4-2 / 1-3-2-4 / 1-3-2-4
Intake valve clearance 0.018 inches*Cold (0.457 mm) / 0.018 inches (0.457 mm)
Oil capacity 15 qts (14.2 L) / 15 qts (14.2 L)
Rated RPM 1100 / 1100 / 1150
Sparkplug gap 0.030 inches (0.762 mm) / 0.030 inches (0.762 mm)
Starter volts 6 / 6
Engine type 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
Aux. fuel 2 gal (7.6 L)
Engine type 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 (gas) (117.3 L)
Belt (claimed) 58 hp (43.3 kW)
Belt (tested) 59.60 hp (44.4 kW)
Drawbar (claimed) 51 hp (38.0 kW)
Drawbar (tested) 51.73 hp (38.6 kW)
Plows 5

Transmission

Clutch mechanical wet disc
Gears 4 forward and 1 reverse
Transmission type 4-speed unsynchronized gear
Type unsynchronized gear

Mechanical

Cab Open operator station.
Description Manual steering / Differential mechanical disc brakes
Drive type Two-wheel drive

PTO

Rear PTO Type 550

Dimensions & Tires

Ballasted weight 10860 lbs (4926 kg)
Height (hood) 58.5 inches (steel) (148 cm)
Length 140 inches (355 cm)
Operating weight 7515 lbs (3408 kg)
Wheelbase 82 inches (208 cm)
Width 67 inches (steel) (170 cm)
Front tire 7.50-18
Rear tire 15-30
Weight 7515 lbs (3408 kg)
Wheelbase 82 inches (208 cm)
Ag front 7.50-18 / 30x6 (steel)
Ag rear 15-30 / 14-30

Belt Pulley

Diameter 13 inches (33 cm)
RPM 814
Speed 2770 ft/min (844.30 meters/min)
Width 8.25 inches (20 cm)

LA Serial Number Location

Description Serial number plate on the dashboard of the Case LA.

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
Description FAQ: How to read a serial number table.

Nebraska Tractor Test 480

Belt fuel use (max) 5.8 gal/hour (22.0 l/hour)
Belt power (max) 58.53 hp (43.6 kW)
Description Gasoline 4-speed 2WDAugust 15 - 28, 1952Link: Nebraska Tractor Test 480 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test.
Max power 51.68 hp (38.5 kW)
Max pull 6,659 lbs (3020 kg)

Nebraska Tractor Test 481

Belt fuel use (max) 5.0 gal/hour (18.9 l/hour)
Belt power (max) 48.86 hp (36.4 kW)
Description Tractor fuel 4-speed 2WDAugust 18 - 29, 1952Link: Nebraska Tractor Test 481 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test.
Max power 44.51 hp (33.2 kW)
Max pull 6,444 lbs (2922 kg)

Nebraska Tractor Test 482

Belt fuel use (max) 6.7 gal/hour (25.4 l/hour)
Belt power (max) 59.60 hp (44.4 kW)
Description LP gas 4-speed 2WDAugust 21 - September 6, 1952Link: Nebraska Tractor Test 482 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test.
Max power 51.73 hp (38.6 kW)
Max pull 6,874 lbs (3118 kg)

References

Description 4 Great Tractors published in 1945, by J.I. Case

Tractor Tests

Description NTTL 480: gasoline 4-speed 2WD / NTTL 481: tractor fuel 4-speed 2WD / NTTL 482: LP gas 4-speed 2WD

Variants

LA farm
LAI industrial