Tractor · 1940Unverified
J.I. Case LA
J.I. Case LA — Standard-tread tractor · 51 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
51 hp
Max power
38.5 kW
Weight
3408 kg
Hover a source tag to verify
Overview
ManufacturerJ.I. CaseReference
Standard-tread tractorReference
Built in Racine, Wisconsin, USAReference
Total built35,493Reference
The stout Case LA was often a candidate for re-powering with a Detroit Diesel 3-71 engine.Reference
Two-wheel driveReference
Manual steeringReference
Differential mechanical disc brakesReference
Open operator station.Reference
Variants
LAfarmReference
LAIindustrialReference
Engine
J.I. Case 6.6L 4-cyl gasolineReference
J.I. Case 6.6L 4-cyl tractor fuelReference
J.I. Case 6.6L 4-cyl LP gasReference
Fuel tank117.3 LReference
Fuel tank109.8 LReference
Aux. fuel7.6 LReference
Drawbar (claimed)38.0 kWReference
Belt (claimed)43.3 kWReference
Plows5Reference
Drawbar (tested)38.6 kWReference
Belt (tested)44.4 kWReference
J.I. CaseReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement6.6 LReference
Bore/Stroke117 x 152 mmReference
Air cleaneroil bathReference
Compression4.83:1Reference
Rated RPM1100Reference
Firing order1-3-4-2Reference
Starter volts6Reference
Oil capacity14.2 LReference
Coolant capacity57.7 LReference
Sparkplug gap0.762 mmReference
Intake valve clearance0.457 mmReference
Exhaust valve clearance0.457 mmReference
tractor fuelReference
Bore/Stroke117 x 152 mmReference
Compression4.09 : 1Reference
Firing order1-3-2-4Reference
LP gasReference
Compression7.58:1Reference
Rated RPM1150Reference
Belt power (max)43.6 kWReference
Max power38.5 kWReference
Belt power (max)36.4 kWReference
Max power33.2 kWReference
Belt power (max)44.4 kWReference
Max power38.6 kWReference
Transmission
4-speed unsynchronized gearReference
Typeunsynchronized gearReference
Gears4 forward and 1 reverseReference
Clutchmechanical wet discReference
PTO & Hydraulics
Rear PTO Type550Reference
Dimensions
Wheelbase208 cmReference
Weight3408 kgReference
Front tire7.50-18Reference
Rear tire15-30Reference
Ag front7.50-18Reference
Ag rear15-30Reference
Ag front30x6 (steel)Reference
Ag rear14-30Reference
Ag rear48x12 (steel)Reference
Length355 cmReference
Width170 cmReference
Width194 cmReference
Height (hood)148 cmReference
Height (hood)151 cmReference
Operating weight3408 kgReference
Ballasted weight4926 kgReference
LA Serial Number Location
Serial number plate on the dashboard of the Case LA.Reference
LA Serial Numbers
19404400001Reference
19414500001Reference
19424600001Reference
19434700001Reference
19444800001Reference
19454900001Reference
19465000001Reference
19475100001Reference
19485200001Reference
19495300001Reference
19505400001Reference
19515500001Reference
19525600001Reference
19535700001Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter33 cmReference
Width20 cmReference
RPM814Reference
Speed844.30 meters/minReference
Test results
NTTL 480: gasoline 4-speed 2WDReference
NTTL 481: tractor fuel 4-speed 2WDReference
NTTL 482: LP gas 4-speed 2WDReference
Gasoline 4-speed 2WDAugust 15 - 28, 1952Link: Nebraska Tractor Test 480 fileReference
Belt fuel use (max)22.0 l/hourReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull3020 kgReference
Gear 1 used for pull test.Reference
Tractor fuel 4-speed 2WDAugust 18 - 29, 1952Link: Nebraska Tractor Test 481 fileReference
Belt fuel use (max)18.9 l/hourReference
Max pull2922 kgReference
LP gas 4-speed 2WDAugust 21 - September 6, 1952Link: Nebraska Tractor Test 482 fileReference
Belt fuel use (max)25.4 l/hourReference
Max pull3118 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.