Roper L821 Rally
The Roper L821 Rally is a tractor produced by Roper Lawn Tractors. It is equipped with a 318 cc 19.44 ci engine. The listed engine power is Gasoline (gross): 8 hp / 6.0 kW. Transmission: 3 forward and 1 reverse. Operating weight: 394 lbs 178 kg.
Engine Power
Gasoline (gross): 8 hp / 6.0 kW
Fuel & Capacities
1.1 gal
4.2 L
Transmission
3 forward and 1 reverse
Operating Weight
394 lbs
178 kg
Overview
 | 1974 - 1980
Lawn tractor |
|---|
Production | |
|---|---|
Manufacturer | Roper |
Lawn tractor | |
Built in Orangeburg, South Carolina, USA | |
Variants | |
|---|---|
L821 | electric start |
L811 | manual start |
Roper L821 Engine | |
|---|---|
8HP Briggs & Stratton 318cc 1-cyl gasoline | |
Fuel tank | 1.1 gal
4.2 L |
Engine details ...  | |
Roper L821 Transmission | |
|---|---|
3-speed | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 43.5 inches
110 cm |
Weight | 394 lbs
178 kg |
Front tire | 15.0x6.0 |
Rear tire | 18.0x9.5 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 24 |
References | |
|---|---|
 | |
Ride the Big Red Roper published in 1974 | |
Garden Tractors published in 1978, by Roper | |
Tractor and Accessories for 1980 published by Roper | |
The Season Veterans published in 1981, by Roper | |
Parts and "We Care" Service published in 1986 | |
Service Manual Rotary Mowers & Riding Lawn Mowers (MB001-75-2) published in 1975 |
Engine
Engine Detail — 318 cc / 19.44 ci Gasoline
Manufacturer | Briggs & Stratton 191707 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled |
Displacement | 318 cc
19.44 ci |
Bore/Stroke | 3.00x2.75 inches
76 x 70 mm |
Power (gross) | 8 hp
6.0 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 3 forward and 1 reverse
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Roper L821 Tires | |
|---|---|
Lawn/turf front | 15.0x6.0 |
Lawn/turf rear | 18.0x9.5 |
Dimensions | |
|---|---|
Wheelbase | 43.5 inches
110 cm |
Length | 63 inches
160 cm |
Width | 48 inches
121 cm |
Height | 40 inches
101 cm |
Shipping weight | 394 lbs
178 kg |
Attachments
36" Mower deck | |
|---|---|
Type | mid-mount Roper LA019BR |
2-blade with manual lift | |
Cutting width | 36 inches
91 cm |
Photos
Roper L821 Rally tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Roper Lawn Tractors Roper L821 Rally.
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 L821 Rally Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Roper Lawn Tractors Roper L821 Rally.
Converted Equivalents:
Horsepower (HP)8 hp
Kilowatts (kW)6 kW
Metric Horsepower (PS / CV)8.1 PS
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