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John Deere 8770 vs John Deere 8850

Verdict: John Deere 8770 vs John Deere 8850

The John Deere 8770 and the John Deere 8850 are both tractors — here is how they stack up on the figures that matter. John Deere 8850 leads on rated power with 304 hp against 300 hp. John Deere 8770 is the lighter machine (31,438 kg vs 37,480 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8770 is the newer design (1993 vs 1982). In short: choose the John Deere 8850 for outright pulling power, or the John Deere 8770 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 8770 Tractor
John Deere
71
Fit score
Best match
Clear
John Deere 8850 Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
300 hp
304 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Six gears (1-6) in four ranges (A-D). Power shift between gear pairs 1/2, 3/4, and 5/6. Synchronized shifting between other gears and ranges.Reference
20.8-38 tiresReference
Original price
$114,945Reference
Final drives
inboard planetaryReference
inboard compound planetaryReference
Steering
hydrostatic powerReference
Differential lock
electro-hydraulic front and rearReference
Engine
Engine (gross)
223.7 kWReference
Drawbar (tested)
180.8 kWReference
201.2 kWReference
Displacement
10.1 LReference
15.7 LReference
Bore/Stroke
130 x 127 mmReference
140 x 127 mmReference
Power (gross)
223.7 kWReference
Air cleaner
dual paper elements with aspiratorReference
Compression
15.75:1Reference
15.5:1Reference
Rated RPM
2100Reference
2100Reference
Starter volts
12Reference
12Reference
Oil capacity
32.0 LReference
172.2 LReference
Coolant capacity
54.9 LReference
73.8 LReference
Power at rated engine speed
193.4 kWReference
226.7 kWReference
Max power
180.8 kWReference
201.2 kWReference
Engine
275.9 kWReference
Power
275.9 kWReference
Transmission
Transmission
Power ShiftReference
Quad-RangeReference
Gears
12 forward and 2 reverseReference
16 forward and 6 reverseReference
PTO & Hydraulics
PTO (claimed)
190.9 kWReference
223.7 kWReference
PTO (tested)
193.4 kWReference
226.7 kWReference
Hydraulic system
143.8 LReference
172.2 LReference
Type
full power shiftReference
partial power shiftReference
Capacity
143.8 LReference
172.2 LReference
Pressure
174.4 barReference
Rear valves
3 to 5Reference
Pump flow
169.6 lpmReference
166.5 lpmReference
SCV flow
126.0 lpmReference
Rear Type
3 (optional)Reference
4/4NReference
Control
draft sensingReference
lower-link draft sensingReference
Rear lift
6794 kgReference
4649 kgReference
Rear PTO
independentReference
independentReference
Clutch
hydraulic wet discReference
Perma-Clutch hydraulic wet discsReference
Rear PTO Type
1000 (1.75)Reference
1000 (1.75)Reference
Power at rated PTO speed
213.5 kWReference
Valves
3 to 4Reference
Capacities
Fuel
832.7 LReference
908.4 LReference
Dimensions
Wheelbase
340 cmReference
337 cmReference
Weight
14950 kgReference
37480 to 37700 poundsReference
Front tire
24.5R-32Reference
20.8-38Reference
Rear tire
24.5R-32Reference
20.8-38Reference
Ag front
18.4R-46Reference
30.5L-32Reference
Ag rear
18.4R-46Reference
30.5L-32Reference
Length
683 cmReference
654 cmReference
Shipping weight
14260 kgReference
17000 kgReference
Front axle
99 by 3048 mmReference
110 by 3238 mmReference
Rear axle
99 by 3048 mmReference
110 by 3238 mmReference
Operating weight
17100 kgReference
8770 Serial Number Location
8770 Serial Numbers
1993
1001Reference
1994
1771Reference
1995
2795Reference
1996
4001Reference
Electrical
Ground
negativeReference
negativeReference
Batteries
2Reference
3Reference
Battery CCA
925Reference
625Reference
Battery volts
12Reference
12Reference
Charging system
alternatorReference
Charging amps
110Reference
Test results
Fuel use
59.8 l/hourReference
72.7 l/hourReference
Max pull
15179 kgReference
16025 kgReference
John Deere 8850 attachments
8850 Serial Numbers
1982
2000Reference
1983
4000Reference
1984
5101Reference
1985
6001Reference
1986
6501Reference
1987
7001Reference
1988
7501Reference
Location:
Serial number plate on the rear of the tractor.Reference
Speeds

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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