Bolens QS-16

Bolens QS-16The Bolens QS-16 is a garden tractor model manufactured from 1974 to 1977 by Bolens. It was available in a two-wheel drive (2WD) version.

The Bolens QS-16 is equipped with a 588 cc (35.9 cu·in) single-cylinder gasoline engine with 95.3 mm (3.75 in) of the cylinder bore and 82.6 mm (3.25 in) of the piston stroke, and a shaft-driven hydrostatic transmission with infinite forward and reverse gears.

The Bolens QS-16 garden tractor features:

  • The Kohler K341 gasoline engine which produces 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm of horsepower
  • Manual steering
  • Disc brakes
  • Open operator station or Soft-side cab (optional)
  • Category 0 rear hitch (optional)
  • Independent middle PTO with electric clutch
  • Independent rear PTO with 2000 rpm (optional)

General specifications

General Specifications
Model Bolens QS-16
Tractor type Garden tractor
Production years 1974-1977
Dimensions and weight
Length 1,790 mm (70.5 in)
Width 760 mm (29.9 in)
Height 1,140 mm (44.9 in)
Wheel base
Ground clearance 190 mm (7.5 in)
Weight 385 kg (849 lbs)
Fuel capacity
Fuel tank capacity


Engine Specifications
Engine model K341
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 588 cm3, (35.9 cu·in)
Bore and stroke 95.3 mm X 82.6 mm (3.75 in X 3.25 in)
Max. horsepower 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm
Cooling system Forced air
Lubricating system Splash type
Fuel system Carburetor
Starting system Electirc starter
Compression pressure
Normal: 7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance: 0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance: 0.43-0.48 mm (0.0169-0.0189 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: 1.4 L (1.5 US. qt, 1.2 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
Transmission manufacturer or model Sundstrand 15
Transmission type Shaft-driven hydrostatic
Gears Infinite forward and reverse
Speed Forward: 12.9 kmh (8.0 mph)
Reverse: 6.4 kmh (4.0 mph)
Transmission oil capacity 9.5 L (2.5 US. gal, 2.1 Imp. gal.)


Front tires
Rear tires

Rear Hitch

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

PTO (Power take-off shaft)

Middle PTO type Independent with electric clutch
Middle PTO speed
Rear PTO type Independent (optional)
Rear PTO speed 2000 rpm

Electrical system

Electrical system
Ground Negative
Charging system Flywheel alternator
Charging amps 15A
Battery 12V


Bolens 48″ mid-mount mower deck
Cutting width 1,210 mm (48 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 46″ front-mount two-stage snow blower
Width 1,160 mm (46 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.

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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