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J.I. Case 840 vs J.I. Case 841
Verdict: J.I. Case 840 vs J.I. Case 841
The J.I. Case 840 and the J.I. Case 841 are both tractors — here is how they stack up on the figures that matter. J.I. Case 840 leads on rated power with 66 hp against 65 hp. J.I. Case 840 is the lighter machine (5,481 kg vs 6,037 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the J.I. Case 840 for outright pulling power, or the J.I. Case 841 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
62
Fit score
Best match
Clear
J.I. Case
62
Fit score
Best match
Clear
Rated power
66 hp
65 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
liquid-cooledReference
LP gas 8-speed 8-speedOctober 9 - 25, 1965Link: Nebraska Tractor Test 921 fileReference
Original price
$5,500 (1969)Reference
$5,100 (1969)Reference
Steering
power assistReference
power assistReference
Variants
830
diesel standard-frontReference
diesel standard-frontReference
831
diesel row-cropReference
diesel row-cropReference
832
diesel Western SpecialReference
diesel Western SpecialReference
833
diesel high-cropReference
diesel high-cropReference
840
gas standard-frontReference
gas standard-frontReference
841
gas row-cropReference
gas row-cropReference
842
gas Western SpecialReference
gas Western SpecialReference
843
gas high-cropReference
gas high-cropReference
Engine
Fuel tank
83.3 LReference
106.0 LReference
Belt (claimed)
49.2 kWReference
49.2 kWReference
Plows
5Reference
5Reference
Displacement
4.7 LReference
4.7 LReference
Bore/Stroke
108 x 127 mmReference
108 x 127 mmReference
Air cleaner
oil bathReference
oil bathReference
Compression
7.5:1Reference
8.2:1Reference
Rated RPM
1900 (Case-O-Matic)Reference
1900 (Case-O-Matic)Reference
Starter volts
12Reference
12Reference
Drawbar (tested)
—
43.6 kWReference
Power at rated engine speed
—
47.8 kWReference
Max power
—
43.4 kWReference
Transmission
Transmission
Case-O-MaticReference
Case-O-MaticReference
Gears
8 forward and 2 reverseReference
8 forward and 2 reverseReference
Clutch
wet discReference
wet discReference
Oil capacity
64.4 LReference
64.4 LReference
PTO & Hydraulics
Type
torque converterReference
torque converterReference
Rear Type
IIReference
IIReference
Control
Draft-o-matic load/depth controlReference
Draft-o-matic load/depth controlReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000 (1.375)Reference
540/1000 (1.375)Reference
PTO (tested)
—
49.2 kWReference
Power at rated PTO speed
—
45.7 kWReference
Dimensions
Wheelbase
210 cmReference
258 cmReference
Weight
2551 kgReference
6037 to 6479 poundsReference
Front tire
6.00-16Reference
6.00-16Reference
Rear tire
13-30Reference
13.6-38Reference
Ag front
6.00-16Reference
7.50-16 (single wheel)Reference
Ag rear
13-30Reference
13.6-38Reference
Length
339 cmReference
387 cmReference
Height (hood)
155 cmReference
—
Front tread
132/139/147 cmReference
134 to 208 cmReference
Rear tread
132 to 162 cmReference
132 to 274 cmReference
Height
—
167 cmReference
J.I. Case 840 attachments
840 Serial Numbers
1960
8160001Reference
8160001Reference
1961
8168801Reference
8168801Reference
1962
8190001Reference
8190001Reference
1963
9208001Reference
8208001Reference
1964
8229001Reference
8229001Reference
1965
8253501Reference
8253501Reference
1966
8279001Reference
8279001Reference
1967
8306501Reference
8306501Reference
1968
8332101Reference
8332101Reference
1969
8356251Reference
8356251Reference
Location:
Plate on instrument panelReference
—
Capacities
Diameter
26 cmReference
26 cmReference
Width
169 cmReference
216 cmReference
RPM
1261 (Case-O-Matic 1000)Reference
1261 (Case-O-Matic 1000)Reference
Electrical
Charging system
generatorReference
—
Batteries
2Reference
—
Battery volts
6Reference
—
J.I. Case 841 attachments
841 Serial Number Location
841 Serial Numbers
Test results
Fuel use
—
25.0 l/hourReference
Max pull
—
3754 kgReference
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.

