Jacobsen RMX8
The Jacobsen RMX8 is a tractor produced by Jacobsen 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: infinite forward and reverse. Drive type: belt. Operating weight: 275 lbs 124 kg.
Engine Power
Gasoline (gross): 8 hp / 6.0 kW
Drive & Traction
belt
Fuel & Capacities
1.25 gal
4.7 L
Transmission
infinite forward and reverse
Operating Weight
275 lbs
124 kg
Overview
![]() | 1981 - 1986
Riding lawn mower |
|---|
Production | |
|---|---|
Manufacturer | Jacobsen |
Riding lawn mower | |
Variants | |
|---|---|
32000 | recoil startl 32001 |
Jacobsen RMX8 Engine | |
|---|---|
8HP Briggs & Stratton 318cc 1-cyl gasoline | |
Fuel tank | 1.25 gal
4.7 L |
Engine details ... | |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Mid PTO | independent |
Clutch | manual |
Dimensions & Tires | |
|---|---|
Wheelbase | 45.5 inches
115 cm |
Weight | 275 lbs
124 kg |
Front tire | 11x4.00-5 |
Rear tire | 16x6.50-8 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Consumer Products Catalog published in 1984, by Jacobsen |
Engine
Engine Detail — 318 cc / 19.44 ci Gasoline
Manufacturer | Briggs & Stratton 190700 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled vertical-shaft |
Displacement | 318 cc
19.44 ci |
Bore/Stroke | 3.00x2.75 inches
76 x 70 mm |
Power (gross) | 8 hp
6.0 kW |
Starter | manual recoil |
electric OptOptional | |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse
Gears | infinite forward and reverse |
![]() | |
Dimensions
Jacobsen RMX8 Tires | |
|---|---|
Lawn/turf front | 11x4.00-5 |
Lawn/turf rear | 16x6.50-8 |
Dimensions | |
|---|---|
Wheelbase | 45.5 inches
115 cm |
Length | 61.5 inches
156 cm |
Width | 33.7 inches
85 cm |
Height | 36 inches
91 cm |
Weight | 275 lbs
124 kg |
Attachments
30.5" Mower deck | |
|---|---|
Type | mid-mount Jacobsen |
1-blade with manual lift | |
Cutting width | 30.5 inches
77 cm |
Drive | belt |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Jacobsen Lawn Tractors Jacobsen RMX8.
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
Jacobsen Lawn Tractors Jacobsen RMX8 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Jacobsen Lawn Tractors Jacobsen RMX8.
Converted Equivalents:
Horsepower (HP)8 hp
Kilowatts (kW)6 kW
Metric Horsepower (PS / CV)8.1 PS
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