Bolens 628
The Bolens 628 is a tractor produced by Bolens Lawn Tractors. The listed engine power is Gasoline (gross): 6 hp / 4.5 kW. Transmission: 5 forward and 1 reverse. Operating weight: 365 lbs 165 kg.
Engine Power
Gasoline (gross): 6 hp / 4.5 kW
Fuel & Capacities
0.5 gal
1.9 L
Transmission
5 forward and 1 reverse
Operating Weight
365 lbs
165 kg
Overview
![]() | 1980 - 1982
Riding lawn mower |
|---|
Production | |
|---|---|
Manufacturer | Bolens |
Riding lawn mower | |
Bolens 628 Engine | |
|---|---|
6HP Briggs & Stratton 1-cyl gasoline | |
Fuel tank | 0.5 gal
1.9 L |
Engine details ... | |
Bolens 628 Transmission | |
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5-speed gear | |
Transmission details ... |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Disc brakes | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Mid PTO | independent |
Clutch | mechanical idler pulley |
Dimensions & Tires | |
|---|---|
Weight | 365 lbs
165 kg |
Front tire | 3.5x10 |
Rear tire | 4.8x16.8 |
Full dimensions and tires ... | |
References | |
|---|---|
![]() | |
Lawn Machines published in 1981, by Bolens | |
Equipment Seminar published in 1982 |
Engine
Engine Detail — Gasoline
Manufacturer | Briggs & Stratton 130902 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled vertical-shaft |
Power (gross) | 6 hp
4.5 kW |
Rated RPM | 3600 |
Starter type | manual recoil |
Transmission
Transmission — 5 forward and 1 reverse belt-driven gear
Type | belt-driven gear |
Gears | 5 forward and 1 reverse |
Clutch | ilder pulley |
![]() | |
Dimensions
Bolens 628 Tires | |
|---|---|
Lawn/turf front | 3.5x10 |
Lawn/turf rear | 4.8x16.8 |
Dimensions | |
|---|---|
Length | 60 inches
152 cm |
Height (steering wheel) | 38.4 inches
97 cm |
Weight | 365 lbs
165 kg |
Attachments
28" Mower deck | |
|---|---|
Type | mid-mount Bolens |
1-blade with manual lift | |
Cutting width | 28 inches
71 cm |
Cut height | 1.25 to 3.25 inch
3 to 8 cm |
Cut positions | 7 |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens 628.
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 628 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens 628.
Converted Equivalents:
Horsepower (HP)6 hp
Kilowatts (kW)4.5 kW
Metric Horsepower (PS / CV)6.1 PS
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