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Gibson D vs Gibson I

Verdict: Gibson D vs Gibson I

The Gibson D and the Gibson I are both tractors — here is how they stack up on the figures that matter. Gibson I leads on rated power with 37 hp against 6 hp. Gibson D is the lighter machine (433 kg vs 4,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gibson I holds more fuel (75.7 L vs 9.5 L) for longer stints between fills. Gibson I is the newer design (1948 vs 1947). In short: choose the Gibson I for outright pulling power, or the Gibson D 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
Gibson D Tractor
Gibson
62
Fit score
Best match
Clear
Gibson I Tractor
Gibson
62
Fit score
Best match
Clear
Rated power
6 hp
37 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
GibsonReference
GibsonReference
air-cooledReference
Gear 2 used for pull test.Reference
Steering
manual, tillerReference
Final drives
bull gearReference
Variants
SD
hood and fendersReference
I
tricycle-frontReference
IFA
adjustable wide-frontReference
IFS
standard frontReference
Engine
Fuel tank
9.5 LReference
75.7 LReference
Engine
4.5 kWReference
Plows
1Reference
2-3Reference
Displacement
0.4 LReference
3.9 LReference
Bore/Stroke
76 x 83 mmReference
87 x 105 mmReference
Power
4.5 kWReference
Air cleaner
oil bathReference
oil bathReference
Rated RPM
2000Reference
1800Reference
Drawbar (tested)
21.7 kWReference
Belt (tested)
30.6 kWReference
Compression
6.71:1Reference
Starter volts
6Reference
Coolant capacity
16.1 LReference
Belt power (max)
30.6 kWReference
Power at rated engine speed
27.5 kWReference
Max power
21.7 kWReference
Transmission
Type
unsynchronized gearReference
gearReference
Gears
3 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
idler pulleyReference
254mm dry discReference
Dimensions
Wheelbase
116 cmReference
238 cmReference
Weight
433 kgReference
4000 to 4512 poundsReference
Front tire
4.00x12Reference
5.50-16Reference
Rear tire
7.00-24Reference
10-38Reference
Ag front
4.00x12Reference
5.50-16Reference
Ag rear
7.00-24Reference
12-38Reference
Height
114 cmReference
170 cmReference
Length
323 cmReference
Ground clearance
63 cmReference
Rear tread
124 to 228 cmReference
Shipping
1814 kgReference
Operating
2046 kgReference
Ballasted
3399 kgReference
PTO & Hydraulics
PTO (tested)
27.5 kWReference
Rear PTO
liveReference
Rear PTO Type
540 (1.375)Reference
Capacities
Diameter
23 cmReference
Width
19 cmReference
RPM
1487Reference
Speed
1078.69 meters/minReference
Test results
Belt fuel use (max)
15.9 l/hourReference
Fuel use
12.1 l/hourReference
Max pull
2121 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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