Bolens HT23 garden tractor specs and service data

The Bolens HT23 is a garden tractor model from the Large Frame series, manufactured from 1979 to 1987 by Bolens in Port Washington, Wisconsin, USA. It was available in two-wheel drive (2WD) version.

The Bolens HT23 is equipped with a 946 cc (57.7 cu·in) two-cylinder gasoline engine with 88.9 mm (3.5 in) of the cylinder bore and 76.2 mm (3.0 in) of the piston stroke, and a shaft-driven hydrostatic transmission with infinite (2-range) forward and reverse gears.

The Bolens HT23 garden tractor features:

The Kohler K582 gasoline engine which produces 23.4 PS (17.2 kW; 23.0 HP) at 3,600 rpm of horsepower
Manual steering
Disc brakes
Open operator station
Category 0 rear hitch (optional) with kg (0 lbs) of maximum lift capacity.
Front PTO with 2000 rpm

General specifications

General Specifications
Model	Bolens HT23
Tractor type	Garden tractor
Production years	1979-1987
Factory	Port Washington, Wisconsin, USA
Dimensions and weight
Length	1,900 mm (74.8 in)
Width	1,160 mm (45.7 in)
Height	1,140 mm (44.9 in)
Wheel base	1,320 mm (52 in)
Ground clearance	210 mm (8.3 in)
Weight	498 kg (1,098 lbs)
Fuel capacity
Fuel tank capacity	18.9 liters (5.0 US gal.; 4.2 Imp. gal)

Engine

Engine Specifications
Engine model	Kohler K582
Engine type	4-stroke, L-head (side valve), 2-cylinder
Displacement	946 cm³, (57.7 cu·in)
Bore and stroke	88.9 mm X 76.2 mm (3.50 in X 3.00 in)
Max. horsepower	23.4 PS (17.2 kW; 23.0 HP) at 3,600 rpm
Cooling system	Forced air
Lubricating system	Splash type
Fuel system	Carburetor
Starting system	Electirc starter
Valve clearance
Intake valve clearance:	0.20-0.25 mm (0.008-0.010 in)
Exhaust valve clearance:	0.43-0.48 mm (0.017-0.019 in)
Oil system
Lubrication system:	Splash type
Oil type:	API SF or SG
Recommended oil:	Summer: SAE 30W Winter: SAE 5W-20, 5W-30
Oil capacity:	7.6 L (8.0 US. qt, 6.7 Imp. qt.)
Ignition system
Spark plug:	Champion RH10
Spark plug gap:	0.65 mm (0.0256 in)
Spark plug torque:	27 N·m (2.8 kg·m, 19.9 ft·lb)

Transmission and chassis

Chassis, steering and brakes
Chassis	4×2 2WD
Steering type	Manual
Brakes	Disc brakes
Transmission
Transmission manufacturer or model	Eaton 11
Transmission type	Shaft-driven hydrostatic
Gears	Infinite (2-range) forward and reverse
Speed	Forward: 16.1 kmh (10.0 mph) Reverse: 8.0 kmh (5.0 mph)
Transmission oil capacity	9.5 L (2.5 US. gal, 2.1 Imp. gal.)

Tires

Tires
Front tires	Lawn/turf: 18-8.50×8
Rear tires	Lawn/turf: 26-12.00×12

Rear Hitch

Three-Point Hitch
Category	0 (optional)
Control type	–
Lift capacity (at ends)	–

PTO (Power take-off shaft)

PTO
Front PTO type	–
Front PTO speed	2000 rpm

Electrical system

Electrical system
Ground	Negative
Charging system	Alternator
Charging amps	15A
Battery	12V, 45Ah

Attachments

Bolens 54″ mid-mount mower deck
Cutting width	1,370 mm (54 in)
Bolens 54″ front-mount blade
Cutting width	1,370 mm (54 in)
Bolens 42″ front-mount single-stage snow blower
Width	1,060 mm (42 in)
Bolens 48″ front-mount two-stage snow blower
Width	1,210 mm (48 in)

Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

Bolens HT23