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John Deere 285 vs Yamaha YT6700
Verdict: John Deere 285 vs Yamaha YT6700
The John Deere 285 and the Yamaha YT6700 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. Yamaha YT6700 is the lighter machine (238 kg vs 283 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 285 holds more fuel (11.4 L vs 9.5 L) for longer stints between fills. Yamaha YT6700 is the newer design (1990 vs 1987). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
John Deere
71
Fit score
Best match
Clear
Yamaha
62
Fit score
Clear
Rated power
18 hp
18 hp
Confidence
98%
40%
Guide price
—
—
Overview
Manufacturer
John DeereReference
YamahaReference
The engine was available in a fuel-injected version for the 1989 model year.Reference
air-cooled vertical-shaft V-TwinReference
Steering
manual enclosed recirculating ballReference
—
Engine
Fuel tank
11.4 LReference
9.5 LReference
Displacement
35.7 ciReference
34.97 ciReference
Bore/Stroke
74 x 68 mmReference
78 x 60 mmReference
Power (gross)
13.4 kWReference
13.4 kWReference
Fuel system
electronic-fuel injectedReference
—
Air cleaner
foam precleaner with paper filterReference
—
Compression
8.7:1Reference
8.6:1Reference
Rated RPM
3400Reference
—
Idle RPM
1400-3350Reference
—
Starter volts
12Reference
12Reference
Coolant capacity
3.1 LReference
—
Oil capacity
2.5 LReference
1.8 LReference
Oil change
250 hReference
—
Starter
—
electricReference
Sparkplug
—
NGK BPR5HSReference
Sparkplug gap
—
0.660 mmReference
Transmission
Transmission
Sundstrand BDU-21Reference
—
Gears
infinite forward and reverseReference
—
Oil type
Low-Viscosity Hy-GardReference
—
PTO & Hydraulics
Type
belt-driven hydrostaticReference
belt-driven hydrostaticReference
Mid PTO
independentReference
independentReference
Clutch
electricReference
electricReference
Dimensions
Wheelbase
121 cmReference
117 cmReference
Weight
283 kgReference
238 kgReference
Front tire
16x6.50-8Reference
15x6.00-6Reference
Rear tire
23x10.50-12Reference
20x10.00-8Reference
Ag rear
23x10.50-12Reference
—
Lawn/turf front
16x6.50-8Reference
15x6.00-6Reference
Lawn/turf rear
23x10.50-12Reference
20x10.00-8Reference
Length
181 cmReference
175 cmReference
Width
105 cmReference
142 cmReference
Height
110 cmReference
104 cmReference
Shipping weight
283 kgReference
238 kgReference
Front tread
—
73 cmReference
Rear tread
—
72 cmReference
John Deere 285 attachments
285 Serial Numbers
1988
M00285B475001 (50" mower)Reference
—
1989
M00285C615001 (50" mower + fuel injection)Reference
—
1990
M00285B020001 (50" mower)Reference
—
1991
M00285A100001 (48" mower)Reference
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Location:
Serial number decal on the rear of the 285, above the drawbar.Reference
Right side of the tractor frame, above the front axle.Reference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
flywheel magnetoReference
Charging amps
17Reference
7Reference
Battery CCA
341Reference
—
Battery volts
12Reference
12Reference
Battery Group
22FReference
—
Charging volts
—
14.5Reference
Attachment overview
Yamaha YT6700 attachments
YT6700 Serial Numbers
42" Mower deck
Cutting width
—
106 cmReference
Cut height
—
3 to 11 cmReference
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.