Roper L721 Mini-Brute
The Roper L721 Mini-Brute is a tractor produced by Roper Lawn Tractors. It is equipped with a 245 cc 15 ci engine. The listed engine power is Gasoline (gross): 7 hp / 5.2 kW. Transmission: 3 forward and 1 reverse. Operating weight: 274 lbs 124 kg.
Engine Power
Gasoline (gross): 7 hp / 5.2 kW
Fuel & Capacities
0.5 gal
1.9 L
Transmission
3 forward and 1 reverse
Operating Weight
274 lbs
124 kg
Overview
 | 1974 - 1975
Lawn tractor |
|---|
Production | |
|---|---|
Manufacturer | Roper |
Lawn tractor | |
Built in Orangeburg, South Carolina, USA | |
Variants | |
|---|---|
L721 | electric start |
L711 | manual start |
Roper L721 Engine | |
|---|---|
7HP Tecumseh 245cc 1-cyl gasoline | |
Fuel tank | 0.5 gal
1.9 L |
Engine details ...  | |
Roper L721 Transmission | |
|---|---|
3-speed | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 41 inches
104 cm |
Weight | 274 lbs
124 kg |
Front tire | 11.0x4.0 |
Rear tire | 15.0x6.0 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 9 |
References | |
|---|---|
 | |
Ride the Big Red Roper published in 1974 | |
Parts and "We Care" Service published in 1986 | |
Service Manual Rotary Mowers & Riding Lawn Mowers (MB001-75-2) published in 1975 |
Engine
Engine Detail — 245 cc / 15 ci Gasoline
Manufacturer | Tecumseh V70 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled |
Displacement | 245 cc
15 ci |
Bore/Stroke | 2.75x2.531 inches
70 x 64 mm |
Power (gross) | 7 hp
5.2 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 3 forward and 1 reverse
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Roper L721 Tires | |
|---|---|
Lawn/turf front | 11.0x4.0 |
Lawn/turf rear | 15.0x6.0 |
Dimensions | |
|---|---|
Wheelbase | 41 inches
104 cm |
Length | 55 inches
139 cm |
Width | 39.25 inches
99 cm |
Height | 36 inches
91 cm |
Shipping weight | 274 lbs
124 kg |
Attachments
26" Mower deck | |
|---|---|
Type | mid-mount Roper |
1-blade with manual lift | |
Cutting width | 26 inches
66 cm |
Photos
Roper L721 Mini-Brute tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Roper Lawn Tractors Roper L721 Mini-Brute.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Roper Lawn Tractors Roper L721 Mini-Brute Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Roper Lawn Tractors Roper L721 Mini-Brute.
Converted Equivalents:
Horsepower (HP)7 hp
Kilowatts (kW)5.2 kW
Metric Horsepower (PS / CV)7.1 PS
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- 1974 - 1975
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Roper lawn tractors K824
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Roper lawn tractors K831
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- Production years:
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