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John Deere 240 vs John Deere F510

Verdict: John Deere 240 vs John Deere F510

The John Deere 240 and the John Deere F510 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 14 hp. John Deere F510 is the lighter machine (505 kg vs 590 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 240 holds more fuel (11.4 L vs 10.4 L) for longer stints between fills. John Deere F510 is the newer design (1990 vs 1988). 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 240 Lawn Tractor
John Deere
71
Fit score
Best match
Clear
John Deere F510 Lawn Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
14 hp
14 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
The Deere 240 operated with gear shift and clutch pedal. Clutch must be used to shift between gears. Transmission should be not shifted on the move while under heavy load. For the 1992 model year, serial number 130001, the brake changed to a wet disc internal to the transmission. Those transmissions called for low-viscosity Hy-Gard lubricant instead of gear oil.Reference
Image courtesy of Christopher SmithReference
Steering
manual enclosed recirculating ballReference
Brakes
wet disc (1992)Reference
Engine
Fuel tank
11.4 LReference
10.4 LReference
Displacement
25.8 ciReference
25.8 ciReference
Bore/Stroke
89 x 69 mmReference
89 x 68 mmReference
Power (gross)
10.4 kWReference
Air cleaner
dry with foam pre-cleanerReference
dryReference
Compression
8.4:1Reference
Rated RPM
3350Reference
Starter volts
12Reference
12Reference
Oil capacity
3.2 LReference
2.4 LReference
Oil change
50 hReference
Power
10.4 kWReference
Idle RPM
1450-3250Reference
Starter
electricReference
Sparkplug
Champion RN11YCReference
Sparkplug gap
0.635 mmReference
Transmission
Transmission
Tuff Torq E0905Reference
Gears
6 forward and 1 reverseReference
infinite forward and reverseReference
Oil type
J20BReference
PTO & Hydraulics
Type
belt-driven gearReference
hydrostaticReference
Mid PTO
independentReference
independentReference
Clutch
electricReference
electricReference
Dimensions
Wheelbase
121 cmReference
88 cmReference
Weight
590 to 680 poundsReference
313 kgReference
Front tire
16x6.50-8Reference
18x6.50-8Reference
Rear tire
23x10.50-12Reference
13x6.50-6Reference
Ag rear
23x10.50-12Reference
Lawn/turf front
16x6.50-8Reference
18x6.50-8Reference
Lawn/turf rear
23x10.50-12Reference
13x6.50-6Reference
Length
181 cmReference
213 cmReference
Width
105 cmReference
Height
110 cmReference
Shipping weight
308 kgReference
Height (steering wheel)
106 cmReference
Height (hood)
57 cmReference
Ground clearance
8 cmReference
John Deere 240 attachments
240 Serial Numbers
1988
B475001 (46" deck)Reference
1989
B605001 (46" deck)Reference
1990
B020001 (46" deck)Reference
1991
B120001 (48" deck)Reference
1992
B135001 (no deck)Reference
Location:
Serial number decal on the rear of the 240, above the drawbar.Reference
Serial number decal on the left side of the F510, ahead of the rear tire.Reference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
flywheel alternatorReference
Charging amps
13Reference
Battery CCA
342Reference
Battery volts
12Reference
12Reference
Battery Group
U1Reference
Attachment overview
John Deere F510 attachments
F510 Serial Numbers
38" Mower deck
Cutting width
96 cmReference
Overall width
134 cmReference
Cut height
2 to 8 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.

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