Bolens 850
The Bolens 850 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): 8.25 hp / 6.2 kW. Transmission: Bolens. Operating weight: 550 lbs 249 kg.
Engine Power
Gasoline (listed): 8.25 hp / 6.2 kW
Fuel & Capacities
1.25 gal
4.7 L
Transmission
Bolens
Operating Weight
550 lbs
249 kg
Overview
 | 1966 - 1969
Tube Frame SeriesGarden tractor
Tube Frame Series
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Bolens |
Garden tractor | |
Original price was $783 in 1965 | |
Bolens 850 Engine | |
|---|---|
8.25HP Wisconsin 331cc 1-cyl gasoline | |
Fuel tank | 1.25 gal
4.7 L |
Engine details ...  | |
Bolens 850 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Open operator station | |
Dimensions & Tires | |
|---|---|
Wheelbase | 42.5 inches
107 cm |
Weight | 550 lbs
249 kg |
Front tire | 4.00-8 |
Rear tire | 23x8.50-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Outdoor Power Equipment published in 1966, by Bolens | |
Husky Tractors published in 1966, by Bolens | |
Husky Tractors published in 1967, by Bolens | |
Outdoor Power Equipment published in 1967, by Bolens | |
Husky Tractors published in 1968, by Bolens | |
Outdoor Power Equipment published in 1968, by Bolens | |
Husky Tractors published in 1969, by Bolens |
Engine
Engine Detail — 331 cc / 20.2 ci Gasoline
Manufacturer | Wisconsin S8D |
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 | 8.25 hp
6.2 kW |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 2 qts
1.9 L |
Transmission
Transmission — Bolens
Transmission | Bolens |
Type | gear |
Gears | 6 forward and 2 reverse |
Dimensions
Bolens 850 Tires | |
|---|---|
Lawn/turf front | 4.00-8 |
Lawn/turf rear | 23x8.50-12 |
Dimensions | |
|---|---|
Wheelbase | 42.5 inches
107 cm |
Length | 62.5 inches
158 cm |
Width | 34 inches
86 cm |
Height | 40 inches
101 cm |
Shipping weight | 550 lbs
249 kg |
Ground clearance | 7 inches
17 cm |
Attachments
Attachment overview | |
|---|---|
32" mid-mount mower deck | |
38" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
Bolens 850
Bolens 850 with mower deck.
Bolens 850 with mower deck.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens 850.
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 850 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens 850.
Converted Equivalents:
Horsepower (HP)8.3 hp
Kilowatts (kW)6.2 kW
Metric Horsepower (PS / CV)8.4 PS
Related models
Bolens lawn tractors 230
- Power:
- 7
- Production years:
- 1959 - 1959
Bolens lawn tractors 231
- Power:
- 7
- Production years:
- 1960 - 1960
Bolens lawn tractors 233
- Power:
- 7
- Production years:
- 1961 - 1961
Bolens lawn tractors 235
- Power:
- 7
- Production years:
- 1962 - 1962
Bolens lawn tractors 728
- Power:
- 7
- Production years:
- 1972 - 1973