Bolens HT-18
The Bolens HT-18 is a tractor produced by Bolens Lawn Tractors. It is equipped with a 786 cc 48 ci engine. The listed engine power is Gasoline (gross): 18 hp / 13.4 kW. Transmission: Sundstrand 15. Drive type: shaft. Operating weight: 980 lbs 444 kg.
Engine Power
Gasoline (gross): 18 hp / 13.4 kW
Drive & Traction
shaft
Fuel & Capacities
5 gal
18.9 L
Transmission
Sundstrand 15
Operating Weight
980 lbs
444 kg
Overview
 | 1973
Large Frame SeriesGarden tractor
Large Frame Series
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Bolens |
Garden tractor | |
Built in Port Washington, Wisconsin, USA | |
Bolens HT-18 Engine | |
|---|---|
18HP Kohler 786cc 2-cyl gasoline | |
Fuel tank | 5 gal
18.9 L |
Engine details ...  | |
Bolens HT-18 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Disc brakes | |
Open operator station. | |
Power Take-off (PTO) | |
|---|---|
Front PTO | independent |
Clutch | mechanical |
Front PTO Type | 2000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 52 inches
132 cm |
Weight | 980 lbs
444 kg |
Front tire | 18-8.50x8 |
Rear tire | 27-8.50-15 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 45 |
References | |
|---|---|
 | |
Lawn and Garden Tractors published in 1973, by Bolens | |
Service Manual Large Frame Tractors (552665-5) published in 1985 | |
Products for Bolens Tractors published in 1973, by Johnson - ARPS |
Engine
Engine Detail — 786 cc / 48 ci Gasoline
Manufacturer | Kohler K482 |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft opposed-twin |
Displacement | 786 cc
48 ci |
Bore/Stroke | 3.25x2.875 inches
83 x 73 mm |
Power (gross) | 18 hp
13.4 kW |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 3.5 qts
3.3 L |
Transmission
Transmission — Sundstrand 15
Transmission | Sundstrand 15 |
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse |
Dimensions
Bolens HT-18 Tires | |
|---|---|
Lawn/turf front | 18-8.50x8 |
Lawn/turf rear | 27-8.50-15 |
Dimensions | |
|---|---|
Wheelbase | 52 inches
132 cm |
Length | 76 inches
193 cm |
Width | 38 inches
96 cm |
Height | 45 inches
114 cm |
Weight | 980 lbs
444 kg |
Ground clearance | 8.5 inches
21 cm |
Attachments
Attachment overview | |
|---|---|
54" mid-mount mower deck | |
Snowblower | |
Blade | |
Front-end loader | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
54" Mower deck | |
|---|---|
Type | mid-mount Bolens |
Cutting width | 54 inches
137 cm |
Drive | shaft |
Photos
Bolens HT-18 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Bolens Lawn Tractors Bolens HT-18 based on its 18 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 HT-18.
Estimated Continuous Field Runtime: 5.3 hrs
Approximately 5.3 hours of continuous field operation at ~75% rated power on a full tank (5 gal / 18.9 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.5 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 HT-18 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens HT-18.
Converted Equivalents:
Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS
Direct Competitor Comparison
Compare Bolens HT-18 against same-era industry alternatives in the same horsepower class.
Current Model
Bolens Lawn Tractors
Bolens HT-18
Engine Power:Gasoline (gross): 18 hp / 13.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Type A 15HP
Engine Power:16.7
Production Years:1908 - 1911
Related models
Bolens lawn tractors 13069
- Power:
- 15
- Production years:
- 1995 - 1995
Bolens lawn tractors 13082
- Power:
- 15
- Production years:
- 1995 - 1995
Bolens lawn tractors 1556
- Power:
- 15
- Production years:
- 1972 - 1972
Bolens lawn tractors M762F
- Power:
- 15.5
- Production years:
- 2006 - 2008
Bolens lawn tractors 13016
- Power:
- 16
- Production years:
- 1992 - 1993