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John Deere 4100 vs John Deere G Unstyled

Verdict: John Deere 4100 vs John Deere G Unstyled

The John Deere 4100 and the John Deere G Unstyled are both tractors — here is how they stack up on the figures that matter. John Deere G Unstyled leads on rated power with 21 hp against 20 hp. John Deere 4100 is the lighter machine (1,517 kg vs 2,268 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 4100 is the newer design (1998 vs 1937). In short: choose the John Deere G Unstyled for outright pulling power, or the John Deere 4100 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
John Deere 4100 Tractor
John Deere
71
Fit score
Best match
Clear
John Deere G Unstyled Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
20 hp
21 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Two-range hydrostatic with foot pedals and cruise control. Tractor must be stopped to shift ranges.Reference
Gear 1 used for pull test.Reference
Final drives
spur gearReference
Differential lock
mechanical rearReference
Total built
10,684 (Unstyled)Reference
Engine
Engine (gross)
14.9 kWReference
Engine (net)
14.2 kWReference
Displacement
1.0 LReference
6.8 LReference
Bore/Stroke
74 x 78 mmReference
156 x 178 mmReference
Power (net)
14.2 kWReference
Power (gross)
14.9 kWReference
Fuel system
indirect injectionReference
Air cleaner
dryReference
Pre-heating
glow plugsReference
Compression
23.5:1Reference
4.2:1Reference
Rated RPM
2650Reference
975Reference
Idle RPM
1025-2860Reference
Torque
53.8 NmReference
Starter volts
12Reference
Oil capacity
12.5 LReference
10.4 LReference
Coolant capacity
2.4 LReference
41.6 LReference
Fuel Type
DieselReference
No of Cylinders
3-cylinderReference
Rated engine speed
2,650Reference
Bore and stroke
2.91x3.07 inchesReference
Compression ratio
23.5:1Reference
Cooling system
liquid-cooled | 2.5 qtsReference
Fuel tank
64.3 LReference
Aux. fuel
5.7 LReference
Drawbar (claimed)
15.4 kWReference
Belt (claimed)
23.4 kWReference
Plows
3 (14-inch)Reference
Drawbar (tested)
20.6 kWReference
Belt (tested)
26.8 kWReference
Firing order
1-2Reference
Starter type
hand crankReference
Belt power (max)
26.8 kWReference
Max power
20.6 kWReference
Transmission
Gear
688 kgReference
Gears
infinite forward and reverse (2-range)Reference
4 forward and 1 reverseReference
Rear Axle Drive Type
spur gearReference
Transmission
John DeereReference
Clutch
dry discReference
PTO & Hydraulics
Hydro PTO (claimed)
11.9 kWReference
Gear PTO (claimed)
12.7 kWReference
Gear Hydraulic system
9.5 LReference
Hydro Hydraulic system
12.5 LReference
Type
hydrostaticReference
gearReference
Gear Capacity
9.5 LReference
Hydro Capacity
12.5 LReference
Pressure
166.7 barReference
Total flow
19.3 lpmReference
Rear Type
IReference
Control
position controlReference
Rear lift (at 24"/610mm)
421 kgReference
Gear Rear PTO
transmissionReference
Hydro Rear PTO
independentReference
Gear Clutch
mechanical dry discReference
Hydro Clutch
hydraulic wet discReference
Rear PTO Type
540 (1.375)Reference
540 (1.75)Reference
Mid PTO Type
2100Reference
Rear PTO
transmissionReference
Capacities
Fuel
22.0 LReference
Front axle
3.4 LReference
Capacity
61.4 ciReference
Dimensions
Wheelbase
147 cmReference
Weight
1517 to 1565 poundsReference
2268 kgReference
Front tire
5.00-12Reference
24x5Reference
Rear tire
9.5-16Reference
51.5x7Reference
Ag front
5.00-12Reference
6.00-16Reference
Ag rear
8.00-16 (Narrow)Reference
12x38 (13.6)Reference
Lawn/turf front
23x8.50-12Reference
Lawn/turf rear
315x75D-15Reference
Industrial front
23x8.50-12Reference
Industrial rear
12.00x16.5Reference
Length
261 cmReference
342 cmReference
Width
91 cmReference
156 cmReference
Height (hood)
110 cmReference
Height (ROPS)
200 cmReference
Clearance (front axle)
31 cmReference
Hydro
709 kgReference
Max Drawbar
258 kgReference
Max front axle
449 kgReference
Max rear axle
899 kgReference
Height
213 cmReference
Operating weight
2268 kgReference
John Deere 4100 attachments
4100 Serial Number Location
4100 Serial Numbers
1998
110000Reference
1999
210001Reference
2000
310001Reference
2001
410001Reference
Electrical
Ground
negativeReference
Charging system
alternatorReference
Charging amps
20Reference
Battery CCA
433Reference
Battery volts
12Reference
Total cold cranking amps
433Reference
Attachment overview
Speeds
General
Make & Model
John DeereReference
Power
Rated Power
20 hpReference
PTO
Rear PTO Power
AvailableReference
Mid PTO
AvailableReference
Hydraulics
Hydraulics Type
open centerReference
Maximum operating pressure
2,418 psiReference
Rear Hitch category (SAE designation)
Category IReference
Rear Hitch Sensing Type
position controlReference
Dimensions & weight
Overall Height
110.7 cmReference
Overall Length
261.6 cmReference
Overall Width
109.2 cmReference
Front axle clearance
32.3 cmReference
Wheels & tyres
Rear wheel tread range
9.5-16, 8.00-16 (Narrow) inchReference
Front Wheel tread range
5.00-12Reference
G Serial Number Location
G Serial Numbers
1938
1000 (G Unstyled)Reference
1939
7734 (G Unstyled)Reference
1940
9321 (G Unstyled)Reference
1941
10489 (G Unstyled)Reference
1942
13000 (GM)Reference
1943
13418 (GM)Reference
1944
NoneReference
1945
13748 (GM)Reference
1946
15780 (GM)Reference
1947
23000 (G Early Styled)Reference
1948
26000 (G Late Styled)Reference
1949
32457 (G Late Styled)Reference
1950
39161 (G Late Styled)Reference
1951
46809 (G Late Styled)Reference
1952
53479 (G Late Styled)Reference
1953
63138 (G Late Styled)Reference
Final
22112 (GM)Reference
Test results
Belt fuel use (max)
14.8 l/hourReference
Max pull
1852 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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