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J.I. Case 840 vs J.I. Case 910-B

Verdict: J.I. Case 840 vs J.I. Case 910-B

The J.I. Case 840 and the J.I. Case 910-B are both tractors — here is how they stack up on the figures that matter. J.I. Case 910-B leads on rated power with 71 hp against 66 hp. J.I. Case 910-B is the lighter machine (3,878 kg vs 5,481 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 910-B holds more fuel (124.9 L vs 83.3 L) for longer stints between fills. J.I. Case 840 is the newer design (1960 vs 1957). In short: choose the J.I. Case 910-B for outright pulling power, or the J.I. Case 840 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 840 Tractor
J.I. Case
62
Fit score
Best match
Clear
J.I. Case 910-B Tractor
J.I. Case
62
Fit score
Best match
Clear
Rated power
66 hp
71 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
liquid-cooledReference
Gear 1 used for pull test.Reference
Original price
$5,500 (1969)Reference
$5,500 (1960)Reference
Steering
power assistReference
power assistReference
Total built
1,000Reference
Variants
830
diesel standard-frontReference
831
diesel row-cropReference
832
diesel Western SpecialReference
833
diesel high-cropReference
840
gas standard-frontReference
841
gas row-cropReference
842
gas Western SpecialReference
843
gas high-cropReference
900B
dieselReference
910B
LP-gasReference
Engine
Fuel tank
83.3 LReference
124.9 LReference
Belt (claimed)
49.2 kWReference
Plows
5Reference
5-6Reference
Displacement
4.7 LReference
6.2 LReference
Bore/Stroke
108 x 127 mmReference
102 x 127 mmReference
Air cleaner
oil bathReference
Compression
7.5:1Reference
7.5:1Reference
Rated RPM
1900 (Case-O-Matic)Reference
1350Reference
Starter volts
12Reference
12Reference
Drawbar (tested)
46.3 kWReference
Power at rated engine speed
53.0 kWReference
Max power
46.3 kWReference
Transmission
Transmission
Case-O-MaticReference
Gears
8 forward and 2 reverseReference
6 forward and 1 reverseReference
Clutch
wet discReference
oil cushionReference
Oil capacity
64.4 LReference
11.4 LReference
PTO & Hydraulics
Type
torque converterReference
gearReference
Rear Type
IIReference
Control
Draft-o-matic load/depth controlReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000 (1.375)Reference
540Reference
PTO (tested)
53.0 kWReference
Dimensions
Wheelbase
210 cmReference
213 cmReference
Weight
2551 kgReference
3878 kgReference
Front tire
6.00-16Reference
7.50-18Reference
Rear tire
13-30Reference
15-34Reference
Ag front
6.00-16Reference
7.50-18Reference
Ag rear
13-30Reference
15-34Reference
Length
339 cmReference
358 cmReference
Height (hood)
155 cmReference
Front tread
132/139/147 cmReference
139 cmReference
Rear tread
132 to 162 cmReference
171 cmReference
Operating weight
3878 kgReference
Ballasted weight
6692 kgReference
J.I. Case 840 attachments
840 Serial Numbers
1960
8160001Reference
1961
8168801Reference
1962
8190001Reference
1963
9208001Reference
1964
8229001Reference
1965
8253501Reference
1966
8279001Reference
1967
8306501Reference
1968
8332101Reference
1969
8356251Reference
Location:
Plate on instrument panelReference
Capacities
Diameter
26 cmReference
Width
169 cmReference
RPM
1261 (Case-O-Matic 1000)Reference
Electrical
Charging system
generatorReference
Batteries
2Reference
Battery volts
6Reference
Test results
Fuel use
26.9 l/hourReference
Max pull
4762 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.

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