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John Deere Z840A vs John Deere Z920A

Verdict: John Deere Z840A vs John Deere Z920A

The John Deere Z840A and the John Deere Z920A are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 26 hp. John Deere Z920A is the lighter machine (598 kg vs 1,320 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere Z840A holds more fuel (44.5 L vs 43.5 L) for longer stints between fills. John Deere Z920A is the newer design (2010 vs 2008). 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 Z840A Lawn Tractor
John Deere
71
Fit score
Best match
Clear
John Deere Z920A Lawn Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
26 hp
26 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooled vertical-shaft V-TwinReference
air-cooled vertical-shaft V-TwinReference
Engine
Fuel tank
44.5 LReference
43.5 LReference
Displacement
41 ciReference
44.3 ciReference
Bore/Stroke
75 x 76 mmReference
78 x 76 mmReference
Power (gross)
19.4 kWReference
19.4 kWReference
Air cleaner
dryReference
Compression
8.5:1Reference
Idle RPM
1700-3600Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Sparkplug gap
0.762 mmReference
Point gap
0.330 mmReference
Intake valve clearance
0.152 mmReference
Exhaust valve clearance
0.152 mmReference
Oil capacity
2.7 LReference
2.6 LReference
Oil change
500 hReference
Transmission
Type
hydrostaticReference
hydrostaticReference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Oil type
Hy-GardReference
Transmission
KanzakiReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
electo-magneticReference
electro-magneticReference
Dimensions
Wheelbase
134 cmReference
Weight
610 kgReference
598 kgReference
Front tire
13x6.5-6Reference
13x6.5-6Reference
Rear tire
24x12-12Reference
24x9.5-12Reference
Lawn/turf front
13x6.5-6Reference
13x6.5-6Reference
Lawn/turf rear
24x12-12Reference
24x12-12Reference
Length
215 cmReference
213 cmReference
Height (ROPS)
185 cmReference
185 cmReference
Height (Folded ROPS)
119 cmReference
119 cmReference
Ground clearance
12 cmReference
John Deere Z840A attachments
Electrical
Ground
negativeReference
negativeReference
Charging amps
15Reference
Battery CCA
300Reference
Battery volts
12Reference
12Reference
Battery Group
U1LReference
Attachment overview
John Deere Z920A attachments

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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