Bolens 1900 1966
The Bolens 1900 1966 is a tractor produced by Bolens Lawn Tractors. It is equipped with a 770 cc 47 ci engine. The listed engine power is Gasoline (gross): 19 hp / 14.2 kW. Transmission: Eaton 11. Operating weight: 850 lbs 385 kg.
Engine Power
Gasoline (gross): 19 hp / 14.2 kW
Fuel & Capacities
Gasoline
Transmission
Eaton 11
Operating Weight
850 lbs
385 kg
Overview
 | 1983 - 1985
Q SeriesGarden tractor
Q Series
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Bolens |
Garden tractor | |
Bolens 1900 Engine | |
|---|---|
19HP Kohler 770cc 2-cyl gasoline | |
Engine details ...  |
Bolens 1900 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Steering | manual |
Disc brakes | |
Open operator station. Soft-side cab optional. | |
Tractor hitch | |
|---|---|
Rear Type | 0 (optional) |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent (optional) |
Rear PTO Type | 2000 |
Mid PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 48.5 inches
123 cm |
Weight | 850 lbs
385 kg |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | flywheel alternator |
Charging amps | 15 |
Battery volts | 12 |
Engine
Engine Detail — 770 cc / 47 ci Gasoline
Manufacturer | Kohler KT19QS |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft |
Displacement | 770 cc
47 ci |
Bore/Stroke | 3.125x3.0625 inches
79 x 78 mm |
Power (gross) | 19 hp
14.2 kW |
Air cleaner | paper element with pre-cleaner (Kohler 5208302) (Kohler 4508302) |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Sparkplug | Chamption RBL15Y |
Sparkplug gap | 0.025 inches
0.635 mm |
Point gap | 0.020 inches
0.508 mm |
Oil capacity | 1.5 qts
1.4 L |
Oil change | 25 h |
Transmission
Transmission — Eaton 11
Transmission | Eaton 11 |
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse |
Oil capacity | 10 qts
9.5 L |
 | |
Dimensions
Bolens 1900 Tires |
|---|
Dimensions | |
|---|---|
Wheelbase | 48.5 inches
123 cm |
Length | 70.5 inches
179 cm |
Width | 30.25 inches
76 cm |
Height | 45 inches
114 cm |
Shipping weight | 850 lbs
385 kg |
Ground clearance | 7.5 inches
19 cm |
Attachments
Attachment overview | |
|---|---|
48" mid-mount mower deck | |
54" mid-mount mower deck | |
Snowblower | |
Blade | |
A 33-inch rear tiller was available with optional 8-inch extension. |
Recommended Implements & Sizing Guide
Engineering recommendations for Bolens Lawn Tractors Bolens 1900 1966 based on its 19 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens 1900 1966.
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 1900 1966 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens 1900 1966.
Converted Equivalents:
Horsepower (HP)19 hp
Kilowatts (kW)14.2 kW
Metric Horsepower (PS / CV)19.3 PS
Direct Competitor Comparison
Compare Bolens 1900 1966 against same-era industry alternatives in the same horsepower class.
Current Model
Bolens Lawn Tractors
Bolens 1900 1966
Engine Power:Gasoline (gross): 19 hp / 14.2 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 8-16
Engine Power:17.8
Production Years:1917 - 1922
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