Bolens 728

The Bolens 728 is a tractor produced by Bolens Lawn Tractors. It is equipped with a 245 cc 15 ci engine. The listed engine power is Gasoline (gross): 7 hp / 5.2 kW. Transmission: Peerless 503. Operating weight: 325 lbs 147 kg.

Engine Power
Gasoline (gross): 7 hp / 5.2 kW
Fuel & Capacities
0.5 gal 1.9 L
Transmission
Peerless 503
Operating Weight
325 lbs 147 kg

Overview

No photo available
1972 - 1973 Riding lawn mower
Production
Manufacturer
Bolens
Riding lawn mower
Bolens 728 Engine
7HP Tecumseh 245cc 1-cyl gasoline
Fuel tank
0.5 gal 1.9 L
Engine details ...
Bolens 728 Transmission
3-speed gear
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Mechanical disc brakes
Open operator station.
Power Take-off (PTO)
Mid PTO
independent
Clutch
manual
Dimensions & Tires
Wheelbase
43 inches 109 cm
Weight
325 lbs 147 kg
Front tire
4.10/3.50-4
Rear tire
4.80x4.00-8
Full dimensions and tires ...
References
728 references literature
Riding Mower Service Manual (552568-3) published in 1980

Engine

Engine Detail — 245 cc / 15 ci Gasoline

Manufacturer
Tecumseh V70
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled vertical-shaft
Displacement
245 cc 15 ci
Bore/Stroke
2.75x2.53 inches 70 x 64 mm
Power (gross)
7 hp 5.2 kW
Starter type
manual recoil
Sparkplug
Champion J-8
Sparkplug gap
0.030 inches 0.762 mm
Point gap
0.020 inches 0.508 mm
Oil capacity
0.8 qts 0.8 L
Oil change
25 h

Transmission

Transmission — Peerless 503

Transmission
Peerless 503
Type
belt-driven gear
Gears
3 forward and 1 reverse
728 503 belt-driven gear speeds

Dimensions

Bolens 728 Tires
Lawn/turf front
4.10/3.50-4
Lawn/turf rear
4.80x4.00-8
Dimensions
Wheelbase
43 inches 109 cm
Length
61 inches 154 cm
Height
41 inches 104 cm
Weight
325 lbs 147 kg

Attachments

28" Mower deck
Type
mid-mount Bolens
1-blade
Cutting width
28 inches 71 cm
Overall width
36 inches 91 cm
Cut height
1 to 4 inch 2 to 10 cm

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens 728.

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 728 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens 728.

Converted Equivalents:

Horsepower (HP)7 hp
Kilowatts (kW)5.2 kW
Metric Horsepower (PS / CV)7.1 PS