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Years in Production / 1940–1953
J.I. Case
LA
Explore the specifications, hardware, and original references for the J.I. Case LA.
64hp
Engine estimate · from belt
2WD Only
Drive
1940–1953
Production years
J.I. Case
Manufacturer
LA / 01
At a glance
Production
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
Pto
- Rear Type
- 550
Serial Numbers
FAQ: How to read a serial number table.
- 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 inches33 cm
- Width
- 8.25 inches20 cm
- Rpm
- 814
- Speed
- 2770 ft/min844.30 meters/min
Mechanical
Two-wheel drive
Manual steering
Differential mechanical disc brakes
Open operator station.
LA / 02
Under the hood
Engine Detail (Option 1)
J.I. Case
gasoline
4-cylinder
liquid-cooled
- Displacement
- 403.2 ci6.6 L
- Bore Stroke
- 4.625x6.00 inches117 x 152 mm
- Air Cleaner
- oil bath
- Compression Ratio
- 4.83:1
- Rated Rpm
- 1100
- Firing Order
- 1-3-4-2
- Starter Volts
- 6
- Oil Capacity
- 15 qts14.2 L
- Coolant Capacity
- 61 qts57.7 L
- Sparkplug Gap
- 0.030 inches0.762 mm
- Intake Valve Clearance
- 0.018 inches*Cold0.457 mm
- Exhaust Valve Clearance
- 0.018 inches*Cold0.457 mm
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Detail (Option 2)
J.I. Case
tractor fuel
4-cylinder
liquid-cooled
- Displacement
- 403.2 ci6.6 L
- Bore Stroke
- 4.625x6 inches117 x 152 mm
- Air Cleaner
- oil bath
- Compression Ratio
- 4.09 : 1
- Rated Rpm
- 1100
- Firing Order
- 1-3-2-4
- Starter Volts
- 6
- Oil Capacity
- 15 qts14.2 L
- Sparkplug Gap
- 0.030 inches0.762 mm
- Intake Valve Clearance
- 0.018 inches0.457 mm
- Exhaust Valve Clearance
- 0.018 inches0.457 mm
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Detail (Option 3)
J.I. Case
LP gas
4-cylinder
liquid-cooled
- Displacement
- 403.2 ci6.6 L
- Bore Stroke
- 4.625x6.00 inches117 x 152 mm
- Air Cleaner
- oil bath
- Compression Ratio
- 7.58:1
- Rated Rpm
- 1150
- Firing Order
- 1-3-2-4
- Fuel Type
- LP gas
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
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
- Fuel Tank
- 29 gal (tractor fuel)109.8 L
- Aux Fuel
- 2 gal7.6 L
LA / 03
Gears & controls
Transmission
- Transmission Type
- unsynchronized gear
- Gears
- 4 forward and 1 reverse
- Clutch
- mechanical wet disc
LA / 04
Size. Stance. Footprint.
Dimensions
- Length
- 140 in355 cm
- Width
- 67 in170 cm
- Height
- 58.5 in148 cm
- Wheelbase
- 82 in208 cm
Dimensions And Tires
- Wheelbase
- 82 inches208 cm
- Weight
- 7515 lbs3408 kg
- Front Tire
- 7.50-18
- Rear Tire
- 15-30
Tires And Tracks
- Front Ag
- 7.50-18
- Front Ag
- 30x6 (steel)
- Rear Ag
- 15-30
- Rear Ag
- 14-30
- Rear Ag
- 48x12 (steel)
LA / 05
Tractor Photos
See it in action
Videos
Watch J.I. Case LA videos from their original YouTube creators.
LA / 07
Tests (NTTL)
Nebraska Tractor Test 480
Gasoline 4-speed 2WDAugust 15 - 28, 1952
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 480
- Belt Power Max
- 58.53 hp43.6 kW
- Belt Fuel Use Max
- 5.8 gal/hour22.0 l/hour
- Max Power
- 51.68 hp38.5 kW
- Max Pull
- 6,659 lbs3020 kg
Nebraska Tractor Test 481
Tractor fuel 4-speed 2WDAugust 18 - 29, 1952
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 481
- Belt Power Max
- 48.86 hp36.4 kW
- Belt Fuel Use Max
- 5.0 gal/hour18.9 l/hour
- Max Power
- 44.51 hp33.2 kW
- Max Pull
- 6,444 lbs2922 kg
Nebraska Tractor Test 482
LP gas 4-speed 2WDAugust 21 - September 6, 1952
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 482
- Belt Power Max
- 59.60 hp44.4 kW
- Belt Fuel Use Max
- 6.7 gal/hour25.4 l/hour
- Max Power
- 51.73 hp38.6 kW
- Max Pull
- 6,874 lbs3118 kg