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John Deere 420 vs John Deere 846

Verdict: John Deere 420 vs John Deere 846

The John Deere 420 and the John Deere 846 are both tractors — here is how they stack up on the figures that matter. John Deere 846 leads on rated power with 27 hp against 26 hp. John Deere 846 is the lighter machine (1,080 kg vs 1,474 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 420 holds more fuel (39.7 L vs 20.1 L) for longer stints between fills. John Deere 846 is the newer design (1996 vs 1956). In short: choose the John Deere 846 for outright pulling power, or the John Deere 420 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 420 Tractor
John Deere
71
Fit score
Best match
Clear
John Deere 846 Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
26 hp
27 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
GoldiniReference
Tractor fuel 4-speed 2WDOctober 13 - 25, 1956Link: Nebraska Tractor Test 600 fileReference
Four gears in three ranges, plus reverse range.Reference
Total built
86 (420V)Reference
Steering
power optionalReference
Distributor
John DeereReference
Differential lock
hydraulic rearReference
Variants
420W
row-crop utilityReference
420T
tricycleReference
420C
crawlerReference
420U
utilityReference
420S
standardReference
420I
special utilityReference
Engine
Fuel tank
75.7 LReference
20.1 LReference
Drawbar (tested)
19.5 kWReference
Belt (tested)
21.1 kWReference
Displacement
1.9 LReference
1.3 LReference
Bore/Stroke
108 x 102 mmReference
Air cleaner
oil bathReference
dryReference
Compression
5.15:1Reference
Rated RPM
1850Reference
2800Reference
Firing order
1-2Reference
Starter volts
6Reference
12Reference
Coolant capacity
10.4 LReference
Belt power (max)
16.9 kWReference
Max power
16.3 kWReference
Fuel Type
DieselReference
No of Cylinders
2-cylinder 4-valve | 2-cylinder 4-valve | 2-cylinder 4-valveReference
Rated engine speed
1,850 | 1,850 | 1,850Reference
Bore and stroke
4.25x4.00 inchesReference
Compression ratio
7:1 | 5.15:1Reference
Cooling system
liquid-cooled | 11 qtsReference
Engine
20.1 kWReference
Power
20.1 kWReference
Starter
electricReference
Transmission
Type
unsynchronized gearReference
synchronizedReference
Gears
5 forward and 1 reverseReference
12 forward and 4 reverseReference
forward and reverse options
4 forward and 1 reverse | 5 forward and 1 reverseReference
Clutch
191mm hydraulic discReference
PTO & Hydraulics
Rear Type
IReference
INReference
Rear PTO
liveReference
independentReference
Rear PTO Type
540Reference
540/1000Reference
Rear lift (at ends)
1000 kgReference
Engine RPM
1000@2615Reference
Dimensions
Weight
1474 kgReference
1080 kgReference
Front tire
5.00-15Reference
Rear tire
9-24Reference
Ag front
7.50-10 (single)Reference
Ag rear
11-38 (hi-crop)Reference
Length
291 cmReference
274 cmReference
Width
140 cmReference
Height
149 cmReference
Wheelbase
151 cmReference
420 Serial Number Location
420 Serial Numbers
1956
80001Reference
1957
107813Reference
1958
127782Reference
Electrical
Ground
positiveReference
negativeReference
Battery volts
6Reference
12Reference
Charging system
alternatorReference
Test results
Belt fuel use (max)
8.7 l/hourReference
Max pull
1240 kgReference
General
Make & Model
John DeereReference
Capacities
Capacity
113 ciReference
PTO
Rear PTO Power
AvailableReference
Hydraulics
Rear Hitch category (SAE designation)
Category IReference
Dimensions & weight
Overall Height
149.2 cmReference
Overall Length
291.5 cmReference
Overall Width
141 cmReference
Wheels & tyres
Front Wheel tread range
5.00-15, 6.00-16, 7.50-16, 7.50-10 (single)Reference
Steering & brakes
Steering type
manual, power optionalReference

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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