Compare/J.I. Case 640 vs J.I. Case LA
Search

J.I. Case 640 vs J.I. Case LA

Verdict: J.I. Case 640 vs J.I. Case LA

The J.I. Case 640 and the J.I. Case LA are both tractors — here is how they stack up on the figures that matter. J.I. Case LA leads on rated power with 51 hp against 50 hp. J.I. Case 640 is the lighter machine (2,041 kg vs 3,408 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case LA holds more fuel (117.3 L vs 83.3 L) for longer stints between fills. J.I. Case 640 is the newer design (1960 vs 1940). In short: choose the J.I. Case LA for outright pulling power, or the J.I. Case 640 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score
Tell us about your operation
Fit & specs
J.I. Case 640 Tractor
J.I. Case
62
Fit score
Best match
Clear
J.I. Case LA Tractor
J.I. Case
62
Fit score
Best match
Clear
Rated power
50 hp
51 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
Tractors equipped with the Case-o-Matic were sometimes referred to as the 630C.Reference
LP gas 4-speed 2WDAugust 21 - September 6, 1952Link: Nebraska Tractor Test 482 fileReference
Factories
Racine, Wisconsin, USAReference
Original price
$3,900Reference
Steering
power assistReference
Total built
35,493Reference
Variants
630
diesel standardReference
631
diesel row-cropReference
640
gas standardReference
641
gas row-cropReference
LA
farmReference
LAI
industrialReference
Engine
Fuel tank
83.3 LReference
109.8 LReference
Belt (claimed)
38.8 kWReference
43.3 kWReference
Drawbar (tested)
32.3 kWReference
38.6 kWReference
Displacement
3.1 LReference
6.6 LReference
Bore/Stroke
97 x 105 mmReference
117 x 152 mmReference
Air cleaner
oil bathReference
oil bathReference
Compression
7.34:1Reference
7.58:1Reference
Rated RPM
2250Reference
1150Reference
Starter volts
12Reference
6Reference
Power at rated engine speed
37.7 kWReference
Max power
31.3 kWReference
38.6 kWReference
Aux. fuel
7.6 LReference
Drawbar (claimed)
38.0 kWReference
Plows
5Reference
Belt (tested)
44.4 kWReference
Firing order
1-3-2-4Reference
Oil capacity
14.2 LReference
Coolant capacity
57.7 LReference
Sparkplug gap
0.762 mmReference
Intake valve clearance
0.457 mmReference
Exhaust valve clearance
0.457 mmReference
Belt power (max)
44.4 kWReference
Transmission
Transmission
Case Dual-RangeReference
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
dry discReference
mechanical wet discReference
PTO & Hydraulics
PTO (tested)
37.7 kWReference
Type
gearReference
unsynchronized gearReference
Rear PTO
independent (Case-o-matic)Reference
Rear PTO Type
540/1000 (1.375)Reference
550Reference
Power at rated PTO speed
37.1 kWReference
Dimensions
Weight
2041 kgReference
3408 kgReference
Front tire
7.50-16Reference
7.50-18Reference
Rear tire
16.9-28Reference
15-30Reference
Ag front
7.50-16Reference
30x6 (steel)Reference
Ag rear
16.9-28Reference
48x12 (steel)Reference
Front tread
132 cmReference
Rear tread
121 to 193 cmReference
Wheelbase
208 cmReference
Length
355 cmReference
Height (hood)
151 cmReference
Operating weight
3408 kgReference
Ballasted weight
4926 kgReference
640 Serial Number Location
Capacities
Diameter
23 cmReference
33 cmReference
Width
15 cmReference
194 cmReference
RPM
814Reference
Speed
844.30 meters/minReference
Test results
Fuel use
15.1 l/hourReference
Max pull
3117 kgReference
3118 kgReference
Belt fuel use (max)
25.4 l/hourReference
LA Serial Number Location
LA Serial Numbers
1940
4400001Reference
1941
4500001Reference
1942
4600001Reference
1943
4700001Reference
1944
4800001Reference
1945
4900001Reference
1946
5000001Reference
1947
5100001Reference
1948
5200001Reference
1949
5300001Reference
1950
5400001Reference
1951
5500001Reference
1952
5600001Reference
1953
5700001Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

Comparing 0
Compare (pick 2+)