Bolens H12XL 1258

The Bolens H12XL 1258 is a tractor produced by Bolens Lawn Tractors. It is equipped with a 345 cc 21.1 ci engine. The listed engine power is Gasoline (gross): 12 hp / 8.9 kW. Transmission: Eaton 11. Operating weight: 700 lbs 317 kg.

Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
1.6 gal 6.1 L
Transmission
Eaton 11
Operating Weight
700 lbs 317 kg

Overview

No photo available
1980 - 1981 Medium Frame SeriesGarden tractor Medium Frame Series Garden tractor
Production
Manufacturer
Bolens
Garden tractor
Bolens H12XL Engine
12HP Tecumseh 345cc 1-cyl gasoline
Fuel tank
1.6 gal 6.1 L
Engine details ...
Bolens H12XL Transmission
hydrostatic
Transmission details ...
Mechanical
Steering
manual
Disc brakes
Open operator station.
Tractor hitch
Type
sleeve hitch (optional)
Power Take-off (PTO)
Front PTO
independent
Clutch
electric
Dimensions & Tires
Wheelbase
49 inches 124 cm
Weight
700 lbs 317 kg
Front tire
16/6.50-8
Rear tire
23/8.50-12
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
References
H12XL 1258 references literature
Lawn Machines published in 1981, by Bolens

Engine

Engine Detail — 345 cc / 21.1 ci Gasoline

Manufacturer
Tecumseh OH120
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled horizontal-shaft
Displacement
345 cc 21.1 ci
Bore/Stroke
3.125x2.75 inches 79 x 70 mm
Power (gross)
12 hp 8.9 kW
Air cleaner
dry
Rated RPM
3600
Starter
electric
Starter volts
12
Oil capacity
1.5 qts 1.4 L
Sparkplug
Champion RL85
Sparkplug gap
0.030 inches 0.762 mm

Transmission

Transmission — Eaton 11

Transmission
Eaton 11
Type
hydrostatic
Gears
infinite forward and reverse
Oil capacity
8 qts 7.6 L
Oil type
SAE 20SAE 30
SAE 20
SAE 30
H12XL 1258 11 hydrostatic speeds

Dimensions

Bolens H12XL Tires
Lawn/turf front
16/6.50-8
Lawn/turf rear
23/8.50-12
Dimensions
Wheelbase
49 inches 124 cm
Length
70.75 inches 179 cm
Width
36.25 inches 92 cm
Height
44 inches 111 cm
Weight
700 lbs 317 kg
Ground clearance
7 inches 17 cm

Attachments

Attachment overview
42" mid-mount mower deck
48" mid-mount mower deck
Snowblower
Blade
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens Lawn Tractors Bolens H12XL 1258.

Estimated Continuous Field Runtime: 2.6 hrs

Approximately 2.6 hours of continuous field operation at ~75% rated power on a full tank (1.6 gal / 6.1 L).

Estimated 75% Load Fuel Burn~0.6 gal/hr (2.4 L/hr)

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 H12XL 1258 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens Lawn Tractors Bolens H12XL 1258.

Converted Equivalents:

Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS