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John Deere STX38 Yellow Deck vs John Deere X135R

Verdict: John Deere STX38 Yellow Deck vs John Deere X135R

The John Deere STX38 Yellow Deck and the John Deere X135R are both lawn tractors — here is how they stack up on the figures that matter. John Deere STX38 Yellow Deck leads on rated power with 13 hp against 12 hp. John Deere STX38 Yellow Deck is the lighter machine (196 kg vs 233 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere X135R holds more fuel (7.6 L vs 4.7 L) for longer stints between fills. John Deere X135R is the newer design (2013 vs 1989). In short: choose the John Deere STX38 Yellow Deck for outright pulling power, or the John Deere X135R 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 STX38 Yellow Deck Lawn Tractor
John Deere
71
Fit score
Best match
Clear
John Deere X135R Lawn Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
13 hp
12 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
air-cooled vertical-shaftReference
air-cooled vertical-shaftReference
Steering
manual sector-and-pinionReference
Variants
STX38 Yellow-deck
1988-1993Reference
STX38 Black-deck
1994-1997Reference
Engine
Fuel tank
4.7 LReference
7.6 LReference
Displacement
24.3 ciReference
40 ciReference
Bore/Stroke
87 x 67 mmReference
75 x 73 mmReference
Power
9.3 kWReference
Air cleaner
paper and foamReference
Compression
8.9:1Reference
Idle RPM
1350-3350Reference
Starter volts
12Reference
12Reference
Sparkplug
Champion RC12YCReference
Sparkplug gap
1.016 mmReference
Oil capacity
1.9 LReference
Oil change
sealed unit, owner service is not recommendedReference
sealed unit, owner service is not recommendedReference
Power (gross)
8.8 kWReference
Rated RPM
3150Reference
Starter
electricReference
Transmission
Transmission
Peerless 920Reference
Tuff Torq K46CYReference
Gears
5 forward and 1 reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Rear PTO
electricReference
Mid PTO
independentReference
Clutch
electricReference
Dimensions
Wheelbase
113 cmReference
122 cmReference
Weight
196 kgReference
233 kgReference
Front tire
13x6.5-6Reference
15x6-6Reference
Rear tire
18x8.5-8Reference
18x8.5-8Reference
Lawn/turf front
13x6.5-6Reference
15x6-6Reference
Lawn/turf rear
18x8.5-8Reference
18x8.5-8Reference
Length
152 cmReference
247 cmReference
Width
132 cmReference
96 cmReference
Height
98 cmReference
107 cmReference
John Deere STX38 attachments
STX38 Serial Number Location
STX38 Serial Numbers
1989
595001 (yellow deck)Reference
1990
010001 (yellow deck)Reference
1991
100001 (yellow deck)Reference
1992
135001 (yellow deck)Reference
1993
160001 (yellow deck)Reference
1994
210001 (black deck)Reference
1995
240001 (black deck)Reference
1996
270001 (Motorsport)Reference
1997
290001 (Motorsport)Reference
Electrical
Ground
negativeReference
negativeReference
Charging system
flywheel alternatorReference
Charging amps
15Reference
Battery CCA
200Reference
Battery volts
12Reference
12Reference
Attachment overview
38" Mower deck
Type
belt-driven gearReference
belt-driven hydrostaticReference
Cutting width
96 cmReference
106 cmReference
Cut height
2 to 10 cmReference
2 to 8 cmReference
Cut positions
7Reference
John Deere X135R attachments
42" 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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