Roper lawn tractors K521 lawn tractor

Roper lawn tractors K521

Power

5 hp

Production

1973-1976

Engine

Gasoline, 1-cylinder

Weight

295 lbs [133 kg]

Drive

2WD

From the same series:

K511
K522

Introduction

Roper K521 Riding Lawn Mower

The Roper K521 is a compact riding lawn mower manufactured in the United States between 1973 and 1976. Part of the K511 and K522 series, this machine was designed for residential lawn maintenance and groundskeeping tasks.

Engine Specifications

The tractor is powered by a Briggs & Stratton 130902 gasoline engine. This air-cooled, single-cylinder unit features a displacement of 206 cc (12.57 ci) and provides a gross power output of 5 hp (3.7 kW). It utilizes a manual recoil starter system and operates with a bore and stroke of 2.56 by 2.44 inches.

Transmission and Drivetrain

The K521 utilizes a manual transmission system providing three forward gears and one reverse gear. Power is delivered through a two-wheel drive configuration, allowing for basic maneuverability in lawn environments.

Chassis and Dimensions

The unit features an open operator station with manual steering. The machine measures 57.5 inches in length, 32 inches in width, and 37.5 inches in height, with a wheelbase of 40.5 inches. Its shipping weight is approximately 295 lbs. It is equipped with lawn and turf tires sized 10.5x3.5 at the front and 12.5x4.1 at the rear.

Mowing Equipment

The tractor is configured as a dedicated riding mower, equipped with a 26-inch cutting deck designed for standard residential grass maintenance.

Conclusion

The Roper K521 is a straightforward, lightweight riding mower suited for small-to-medium residential properties. Its design prioritizes simplicity and compact dimensions, making it an appropriate choice for users requiring a basic machine for lawn mowing tasks during the mid-1970s era.

Production Information of Roper lawn tractors, K521

  • Riding lawn mower
  • Built in Orangeburg, South Carolina, USA
ManufacturerRoper

Dimension and Tires Information of Roper lawn tractors, K521

Wheelbase40.5 inches [102 cm]
Shipping weight295 lbs [133 kg]
Height37.5 inches [95 cm]
Length57.5 inches [146 cm]
Width32 inches [81 cm]
Lawn/turf front10.5x3.5
Lawn/turf rear12.5x4.1

Engine Specifications of Roper lawn tractors, K521

  • Briggs & Stratton 130902
  • Air-cooled
  • Gasoline
  • 1-cylinder
Power (gross)5 hp [3.7 kW]
Displacement206 cc [12.57 ci]
Starter typeManual recoil
Bore/Stroke2.56x2.44 inches [65 x 62 mm]

Transmission Information of Roper lawn tractors, K521

Transmission variants 1

Gears3 forward and 1 reverse

Mechanical Specs of Roper lawn tractors, K521

  • Two-wheel drive
  • Manual steering
  • Open operator station.

Where it sits

Its power puts it in the 10th percentile of 1970s models in our database (1008 machines).

Frequently asked questions

How much horsepower does the Roper lawn tractors K521 have?

The Roper lawn tractors K521 delivers 5 HP.

What years was the Roper lawn tractors K521 produced?

The Roper lawn tractors K521 was produced in 1973-1976.

What engine does the Roper lawn tractors K521 have?

The Roper lawn tractors K521 is powered by a Gasoline, 1-cylinder engine.

How much does the Roper lawn tractors K521 weigh?

The Roper lawn tractors K521 weighs 295 lbs [133 kg].

Is the Roper lawn tractors K521 4WD?

The Roper lawn tractors K521 is available in 2WD.

Compare the Roper lawn tractors K521 with another model