Bolens Estate Keeper 931
The Bolens Estate Keeper 931 is a tractor produced by Bolens Lawn Tractors. It is equipped with a 331 cc 20.2 ci engine. The listed engine power is Gasoline (listed): 10 hp / 7.5 kW. Transmission: 6 forward and 2 reverse.
Engine Power
Gasoline (listed): 10 hp / 7.5 kW
Fuel & Capacities
Gasoline
Transmission
6 forward and 2 reverse
Overview
 | 1967 - 1969
Frame Steer SeriesArticulated front-mount mower
Frame Steer Series
Articulated front-mount mower |
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Production | |
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Manufacturer | Bolens |
Articulated front-mount mower | |
Bolens 931 Engine | |
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10HP Wisconsin 331cc 1-cyl gasoline | |
Engine details ...  |
Bolens 931 Transmission | |
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6-speed gear | |
Transmission details ...  |
Mechanical | |
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Two-wheel drive | |
Manual articulated steering | |
Open operator station. |
Dimensions & Tires | |
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Full dimensions and tires ...  |
References | |
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 | |
Outdoor Power Equipment published in 1967, by Bolens | |
Outdoor Power Equipment published in 1968, by Bolens |
Engine
Engine Detail — 331 cc / 20.2 ci Gasoline
Manufacturer | Wisconsin TRA10D |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled |
Displacement | 331 cc
20.2 ci |
Bore/Stroke | 3.125x2.625 inches
79 x 67 mm |
Power | 10 hp
7.5 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Dimensions
Bolens 931 Tires |
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Dimensions |
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Attachments
Attachment overview | |
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32" front-mount mower deck | |
38" front-mount mower deck | |
42" front-mount mower deck | |
Snowblower | |
Blade |
Photos
Bolens Estate Keeper 931 tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens Estate Keeper 931.
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 Estate Keeper 931 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens Estate Keeper 931.
Converted Equivalents:
Horsepower (HP)10 hp
Kilowatts (kW)7.5 kW
Metric Horsepower (PS / CV)10.1 PS
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