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Roper K511 Sprint vs Roper K521 Sprint
Verdict: Roper K511 Sprint vs Roper K521 Sprint
The Roper K511 Sprint and the Roper K521 Sprint are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 5 hp. Roper K511 Sprint is the lighter machine (131 kg vs 133 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. 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
5 hp
5 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
RoperReference
RoperReference
air-cooledReference
air-cooledReference
Engine
Fuel tank
1.9 LReference
1.9 LReference
Displacement
12.57 ciReference
12.57 ciReference
Bore/Stroke
65 x 62 mmReference
65 x 62 mmReference
Power (gross)
3.7 kWReference
3.7 kWReference
Starter type
manual recoilReference
manual recoilReference
Transmission
Gears
1 forward and reverseReference
3 forward and 1 reverseReference
Dimensions
Wheelbase
102 cmReference
102 cmReference
Weight
131 kgReference
133 kgReference
Front tire
10.5x3.5Reference
10.5x3.5Reference
Rear tire
12.5x4.1Reference
12.5x4.1Reference
Lawn/turf front
10.5x3.5Reference
10.5x3.5Reference
Lawn/turf rear
12.5x4.1Reference
12.5x4.1Reference
Length
146 cmReference
146 cmReference
Width
81 cmReference
81 cmReference
Height
95 cmReference
95 cmReference
Shipping weight
131 kgReference
133 kgReference
Roper K511 attachments
26" Mower deck
Type
1-blade with manual liftReference
1-blade with manual liftReference
Cutting width
66 cmReference
66 cmReference
Cut height
3 to 7 cmReference
3 to 7 cmReference
Cut positions
5Reference
5Reference
Variants
K522
—
electric startReference
K521
—
manual startReference
Roper K521 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.