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Bolens 1250

Bolens 1250 tractor
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The Bolens 1250 is a garden tractor produced from 1967 to 1969 as part of the Large Frame Series. It features a 12.5 hp Wisconsin S12D 473cc 1-cylinder air-cooled gasoline engine, hydrostatic Eaton 12 transmission with infinite forward and reverse speeds, and two-wheel drive with manual steering. The tractor has a wheelbase of 49 inches, length of 72 inches, width of 38 inches, and height of 45 inches, weighing 975 lbs. It uses 5.70/5.00x8 front tires and 27x8.50-15 rear tires. Electrical system includes a 12-volt battery with a starter generator charging system. Optional attachments include a 48" mid-mount mower deck with hydraulic lift, a 42" front-mount snowblower, and a 54" front-mount blade.
Bolens 1250garden tractorWisconsin S12D enginehydrostatic transmissionmower decksnowblowerbladetractor specifications
Power12 hp
Founded48" deck
Model1250

Technical Specifications

Detailed specifications and technical data for Bolens 1250

Tires

Ag rear:27x8.50-15
Lawn/turf rear:27x8.50-15
Lawn/turf front:5.70/5.00x8
Ag rear alternate:26x12-12

Engine

Type:gasoline
Model:Wisconsin S12D
Power:12.5 hp
Cooling:air-cooled
Starter:electric
Cylinders:1-cylinder
Rated RPM:3600
Power (kW):9.3 kW
Air cleaner:dry
Bore/Stroke:3.50x3.00 inches
Displacement:473 cc
Oil capacity:2 qts
Sparkplug gap:0.030 inches
Starter volts:12
Bore/Stroke (mm):89 x 76 mm
Oil capacity (L):1.9 L
Displacement (ci):28.86 ci
Sparkplug gap (mm):0.762 mm
Oil change interval:50 h
Intake valve clearance:0.007 inches (cold)
Exhaust valve clearance:0.016 inches (cold)
Intake valve clearance (mm):0.178 mm
Exhaust valve clearance (mm):0.406 mm

Overview

Series:Large Frame Series
Category:Garden tractor
Model number:197
Production years:1967 - 1969

Dimensions

Width:38 inches
Height:45 inches
Length:72 inches
Wheelbase:49 inches
Width (cm):96 cm
Height (cm):114 cm
Length (cm):182 cm
Wheelbase (cm):124 cm
Shipping weight:975 lbs
Ground clearance:8.5 inches
Shipping weight (kg):442 kg
Ground clearance (cm):21 cm

Electrical

Ground:negative
Battery volts:12
Charging system:starter generator

Mechanical

Drive:Two-wheel drive
Steering:manual
Operator station:Open operator station

Attachments

Blade:54 inches width, front-mount
Snowblower:42 inches width, front-mount
48" mid-mount mower deck:48 inches cutting width, mid-mount Bolens, hydraulic lift

Transmission

Type:hydrostatic
Gears:infinite forward and reverse
Model:Eaton 12
Oil capacity:10 qts
Oil capacity (L):9.5 L

Tractor hitch

Rear Type:0 (optional)

Related Models

Bolens 1225

Model:1225

Bolens 1455

Model:1455