Bolens HT23

Bolens HT23The 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 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 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.)


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)

Front PTO type
Front PTO speed 2000 rpm

Electrical system

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


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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)
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Width 1,210 mm (48 in)
ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

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.

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