Compare/Roper K831 Sprint vs Roper L811 Rally

Roper K831 Sprint vs Roper L811 Rally

Verdict: Roper K831 Sprint vs Roper L811 Rally

The Roper K831 Sprint and the Roper L811 Rally are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 8 hp. Roper L811 Rally is the lighter machine (160 kg vs 165 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Roper L811 Rally holds more fuel (4.2 L vs 2.8 L) for longer stints between fills. Roper L811 Rally is the newer design (1974 vs 1973). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Roper

Fit score

Best match

Clear

Roper

Fit score

Best match

Clear

Rated power

8 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

RoperReference

air-cooledReference

Variants

K832

electric startReference

—

K831

manual startReference

—

L821

—

electric startReference

L811

—

manual startReference

Engine

Fuel tank

2.8 LReference

4.2 LReference

Displacement

19.44 ciReference

Bore/Stroke

76 x 70 mmReference

—

Power (gross)

6.0 kWReference

—

Starter type

manual recoilReference

Power

—

6.0 kWReference

Transmission

Gears

3 forward and 1 reverseReference

Dimensions

Wheelbase

102 cmReference

110 cmReference

Weight

165 kgReference

160 kgReference

Front tire

11.0x4.0Reference

15.0x6.0Reference

Rear tire

15.0x6.0Reference

18.0x9.5Reference

Lawn/turf front

11.0x4.0Reference

15.0x6.0Reference

Lawn/turf rear

15.0x6.0Reference

18.0x9.5Reference

Length

146 cmReference

160 cmReference

Width

102 cmReference

121 cmReference

Height

95 cmReference

101 cmReference

Shipping weight

165 kgReference

160 kgReference

Roper K831 attachments

32" Mower deck

Type

1-blade with manual liftReference

2-blade with manual liftReference

Cutting width

81 cmReference

91 cmReference

Cut height

3 to 7 cmReference

—

Cut positions

5Reference

—

Roper L811 attachments

36" 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.