Compare/J.I. Case 20-40 vs J.I. Case R
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J.I. Case 20-40 vs J.I. Case R

Verdict: J.I. Case 20-40 vs J.I. Case R

The J.I. Case 20-40 and the J.I. Case R are both tractors — here is how they stack up on the figures that matter. J.I. Case 20-40 leads on rated power with 20 hp against 18 hp. J.I. Case R is the lighter machine (1,882 kg vs 6,305 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case R is the newer design (1938 vs 1912). In short: choose the J.I. Case 20-40 for outright pulling power, or the J.I. Case R if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
J.I. Case 20-40 Tractor
J.I. Case
62
Fit score
Best match
Clear
J.I. Case R Tractor
J.I. Case
62
Fit score
Best match
Clear
Rated power
20 hp
18 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Total built
4,465Reference
Original price
$2,100 (1916)Reference
$892Reference
Steering
manualReference
Engine
Fuel tank
159.0 LReference
Drawbar (claimed)
14.9 kWReference
10.4 kWReference
Belt (claimed)
29.8 kWReference
Drawbar (tested)
18.4 kWReference
13.6 kWReference
Belt (tested)
31.9 kWReference
15.3 kWReference
Displacement
17.7 LReference
2.2 LReference
Bore/Stroke
222 x 229 mmReference
83 x 102 mmReference
Rated RPM
475Reference
1425Reference
Starter type
hand-crankReference
Coolant capacity
106.0 LReference
17.0 LReference
Belt power (max)
31.9 kWReference
15.3 kWReference
Max power
18.4 kWReference
13.6 kWReference
Plows
2Reference
Air cleaner
oil bathReference
Transmission
Transmission
J.I. CaseReference
Type
gearReference
gearReference
Gears
2 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
mechanical wet discReference
Dimensions
Weight
6305 kgReference
1882 kgReference
Front tire
38x8Reference
5.00-15Reference
Rear tire
66x20Reference
9.00-24Reference
Ag front
38x8 steelReference
5.00-15Reference
Ag rear
66x20 steelReference
9.00-24Reference
Length
449 cmReference
Height
271 cmReference
Operating weight
6305 kgReference
Rear axle
100 mmReference
20-40 Serial Number Location
Capacities
Diameter
60 cmReference
25 cmReference
Width
254 cmReference
15 cmReference
RPM
991Reference
Speed
792.48 meters/minReference
Test results
Belt fuel use (max)
29.1 l/hourReference
8.3 l/hourReference
Max pull
2511 kgReference
Variants
R
standard treadReference
RC
row-cropReference
RO
orchardReference
RI
industrialReference
PTO & Hydraulics
PTO (claimed)
13.4 kWReference
Rear PTO Type
540 (1.125)Reference
R Serial Numbers
1936
3xx9xxReference
1937
4xx0xxReference
1938
4200001Reference
1939
4300001Reference
1940
4400001Reference
Location:
Plate near instrument panelReference

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.

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