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Roper GTK18 vs Roper Rally GT250
Verdict: Roper GTK18 vs Roper Rally GT250
The Roper GTK18 and the Roper Rally GT250 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. Roper GTK18 is the newer design (1988 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
Roper
62
Fit score
Best match
Clear
Roper
62
Fit score
Best match
Clear
Rated power
18 hp
18 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
RoperReference
RoperReference
air-cooled horizontal-shaft opposed-twinReference
air-cooled vertical-shaft opposed twinReference
Variants
GT18
BriggsReference
—
GTK18
KohlerReference
—
Engine
Displacement
42.18 ciReference
42.33 ciReference
Bore/Stroke
79 x 70 mmReference
87 x 58 mmReference
Power (gross)
13.4 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Power
—
13.4 kWReference
Transmission
Gears
6 forward and 2 reverseReference
5 forward and 1 reverseReference
Transmission
—
Peerless 143.850-010Reference
Dimensions
Front tire
16x6.5-8Reference
—
Rear tire
23x10.5-12Reference
—
Lawn/turf front
16x6.5-8Reference
—
Lawn/turf rear
23x10.5-12Reference
—
Roper GTK18 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
50" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
127 cmReference
111 cmReference
Roper GT250 attachments
GT250 Serial Numbers
1987
—
GT2500ARReference
1988
—
GT2500BRReference
1989
—
GT2500CRReference
Location:
—
Serial number tag under the tractor's seat. Model codes shown.Reference
44" 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.