Bolens QS-16 lawn tractor

Bolens QS-16

Power

16 hp

Production

1974-1977

Transmission

Sundstrand 15

Weight

850 lbs [385 kg]

Introduction

Bolens QS-16 Garden Tractor

The Bolens QS-16 is a garden tractor produced between 1974 and 1977. Designed for residential property maintenance and light utility work, this machine features a compact architecture and a hydrostatic transmission system.

Engine and Performance

The tractor is powered by an air-cooled, horizontal-shaft engine with a displacement of 588 cc (35.89 ci). It delivers a gross power output of 16 hp (11.9 kW) at a rated speed of 3600 RPM. The engine utilizes a paper element air cleaner and requires 1.4 liters of oil, with maintenance intervals set at 25 hours. Starting is achieved via an electric starter powered by a 12-volt system.

Transmission and Drivetrain

The QS-16 is equipped with a Sundstrand 15 shaft-driven hydrostatic transmission. This system provides infinite forward and reverse speed control, allowing for precise maneuverability. The transmission oil capacity is 9.5 liters.

Power Take-Off and Hydraulics

The tractor features an independent mid-PTO as standard. A rear PTO, operating at 2000 RPM, is available as an optional feature. Both systems utilize an electric clutch for engagement. Hitch options include a rear sleeve hitch, also offered as an optional component.

Dimensions and Operator Station

The machine has a wheelbase of 123 cm (48.5 inches) and a total length of 179 cm (70.5 inches). With a width of 76 cm (30.25 inches) and a ground clearance of 19 cm (7.5 inches), it is suited for narrow passages. The shipping weight is 385 kg (850 lbs). The operator station is an open design, with an optional soft-side cab available for weather protection. Steering is manual, and the tractor is equipped with disc brakes.

Conclusion

The Bolens QS-16 is a versatile garden tractor suitable for users requiring a maneuverable machine for lawn care and light property maintenance. Its combination of a hydrostatic drive and optional PTO configurations allows it to support various attachments, including a 48-inch mower deck.

Production Information of Bolens, QS-16

  • Garden tractor
ManufacturerBolens

Dimension and Tires Information of Bolens, QS-16

Wheelbase48.5 inches [123 cm]
Shipping weight850 lbs [385 kg]
Height45 inches [114 cm]
Length70.5 inches [179 cm]
Ground clearance7.5 inches [19 cm]
Width30.25 inches [76 cm]

Engine Specifications of Bolens, QS-16

  • Air-cooled horizontal-shaft
Air cleanerPaper element (Kohler 4708301)
Oil change25 h
Starter volts12
Oil capacity1.5 qts [1.4 L]
Displacement588 cc [35.89 ci]
Bore/Stroke3.75x3.25 inches [95 x 83 mm]
Power (gross)16 hp [11.9 kW]
StarterElectric
Rated RPM3600
Point gap0.020 inches [0.508 mm]
Sparkplug gap0.025 inches [0.635 mm]
SparkplugChampion H10

Transmission Information of Bolens, QS-16

Transmission variants 1

TransmissionSundstrand 15
Oil capacity10 qts [9.5 L]
TypeShaft-driven hydrostatic
GearsInfinite forward and reverse

Mechanical Specs of Bolens, QS-16

  • Disc brakes
  • Open operator station. Soft-side cab optional.
SteeringManual

Power Information of Bolens, QS-16

Rear PTO(optional)Independent
ClutchElectric
Rear PTO Type2000
Mid PTOIndependent

Three-Point Hitch of Bolens, QS-16

Rear Type(optional)0
Type(optional)Sleeve hitch

Electrical System of Bolens, QS-16

GroundNegative
Battery volts12
Charging systemFlywheel alternator
Charging amps15

Where it sits

With 16 HP, the Bolens QS-16 sits between M762F (15 HP) and 1700G (17 HP) in Bolens's range. Its power puts it in the 95th percentile of 1970s models in our database (1008 machines).

Frequently asked questions

How much horsepower does the Bolens QS-16 have?

The Bolens QS-16 delivers 16 HP.

What years was the Bolens QS-16 produced?

The Bolens QS-16 was produced in 1974-1977.

What transmission does the Bolens QS-16 use?

The Bolens QS-16 uses a Sundstrand 15 transmission.

How much does the Bolens QS-16 weigh?

The Bolens QS-16 weighs 850 lbs [385 kg].

Compare the Bolens QS-16 with another model