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John Deere 66 vs John Deere 70

Verdict: John Deere 66 vs John Deere 70

The John Deere 66 and the John Deere 70 are both lawn tractors — here is how they stack up on the figures that matter. John Deere 70 leads on rated power with 7 hp against 6 hp. John Deere 70 is the lighter machine (174 kg vs 305 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 70 holds more fuel (4.7 L vs 3.8 L) for longer stints between fills. John Deere 66 is the newer design (1975 vs 1970). In short: choose the John Deere 70 for outright pulling power, or the John Deere 66 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 66 Lawn Tractor
John Deere
71
Fit score
Best match
Clear
John Deere 70 Lawn Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
6 hp
7 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
air-cooled vertical-shaftReference
air-cooled vertical-shaftReference
Engine
Fuel tank
3.8 LReference
4.7 LReference
Displacement
13.53 ciReference
15.0 ciReference
Bore/Stroke
67 x 64 mmReference
70 x 64 mmReference
Power
4.5 kWReference
Air cleaner
dry elementReference
dryReference
Idle RPM
1750-3700Reference
Starter
electricReference
Starter volts
12Reference
12Reference
Sparkplug
Champion J-8Reference
Champion J-8Reference
Sparkplug gap
0.762 mmReference
0.762 mmReference
Point gap
0.508 mmReference
0.508 mmReference
Oil capacity
0.8 LReference
0.7 LReference
Power (gross)
5.2 kWReference
Rated RPM
3600Reference
Oil change
25 hReference
Transmission
Gears
5 forward and 1 reverseReference
3 forward and 1 reverseReference
Transmission
Peerless 1200Reference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
mechanicalReference
manualReference
Mid PTO Type
pulleyReference
Dimensions
Weight
151 kgReference
174 kgReference
Front tire
4.80x4.00-8Reference
13x5.00-6Reference
Rear tire
11x4.00-5Reference
18x5.00-8Reference
Lawn/turf front
4.80x4.00-8Reference
13x5.00-6Reference
Lawn/turf rear
11x4.00-5Reference
18x5.00-8Reference
Length
148 cmReference
149 cmReference
Height (steering wheel)
96 cmReference
Wheelbase
107 cmReference
Width
77 cmReference
Height
93 cmReference
John Deere 66 attachments
66 Serial Numbers
1975
030001Reference
1976
055001Reference
1977
070001Reference
Location:
Serial number plate on the rear of the Deere 66.Reference
Serial number plate below the steering column on the Deere 70 lawn tractor.Reference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery CCA
135Reference
Battery Group
U1Reference
Attachment overview
30" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
76 cmReference
86 cmReference
Overall width
104 cmReference
Cut height
2 to 10 cmReference
John Deere 70 attachments
70 Serial Numbers
1970
25001Reference
1971
35001Reference
1972
45001Reference
1973
50001Reference
1974
56001Reference
Final
58292Reference
34" Mower deck

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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