Bolens FS 943
The Bolens FS 943 is a tractor produced by Bolens Lawn Tractors. It is equipped with a 399 cc 24.4 ci engine. The listed engine power is Gasoline (gross): 11 hp / 8.2 kW. Transmission: Peerless. Operating weight: 443 lbs 200 kg.
Engine Power
Gasoline (gross): 11 hp / 8.2 kW
Fuel & Capacities
1.8 gal
6.8 L
Transmission
Peerless
Operating Weight
443 lbs
200 kg
Overview
![]() | 1985 - 1987
Frame Steer SeriesArticulated front-mount mower
Frame Steer Series
Articulated front-mount mower |
|---|
Production | |
|---|---|
Manufacturer | Bolens |
Articulated front-mount mower | |
Bolens 943 Engine | |
|---|---|
11HP Briggs & Stratton 399cc 1-cyl gasoline | |
Fuel tank | 1.8 gal
6.8 L |
Engine details ... | |
Bolens 943 Transmission | |
|---|---|
5-speed gear | |
Transmission details ... |
Mechanical | |
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Two-wheel drive | |
Manual articulated steering | |
Disc brakes | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 443 lbs
200 kg |
Front tire | 16x6.50-8 |
Rear tire | 16x6.50-8 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging amps | 5 |
Battery CCA | 160 |
Battery volts | 12 |
References | |
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![]() | |
Riding Mowers published in 1985, by Bolens | |
High Performance published in 1987, by Bolens |
Engine
Engine Detail — 399 cc / 24.4 ci Gasoline
Manufacturer | Briggs & Stratton |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled vertical-shaft |
Displacement | 399 cc
24.4 ci |
Bore/Stroke | 3.44x2.63 inches
87 x 67 mm |
Power (gross) | 11 hp
8.2 kW |
Starter | electric |
Starter volts | 12 |
Oil capacity | 1.5 qts
1.4 L |
Transmission
Transmission — Peerless
Transmission | Peerless |
Type | gear |
Gears | 5 forward and 1 reverse |
![]() | |
Dimensions
Bolens 943 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 16x6.50-8 |
Dimensions | |
|---|---|
Length | 87 inches
220 cm |
Width | 54 inches
137 cm |
Height | 42 inches
106 cm |
Shipping weight | 443 lbs
200 kg |
Attachments
42" Mower deck | |
|---|---|
Type | front-mount Bolens |
Cutting width | 42 inches
106 cm |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens FS 943.
Estimated Continuous Field Runtime: 3.1 hrs
Approximately 3.1 hours of continuous field operation at ~75% rated power on a full tank (1.8 gal / 6.8 L).
Estimated 75% Load Fuel Burn~0.6 gal/hr (2.2 L/hr)
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
Bolens Lawn Tractors Bolens FS 943 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens FS 943.
Converted Equivalents:
Horsepower (HP)11 hp
Kilowatts (kW)8.2 kW
Metric Horsepower (PS / CV)11.2 PS
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