Gravely 1238-G

The Gravely 1238-G is a tractor produced by Gravely Lawn Tractors. It is equipped with a 465 cc 28.4 ci engine. The listed engine power is Gasoline (gross): 12 hp / 8.9 kW. Transmission: 6 forward and 1 reverse. Operating weight: 468 lbs 212 kg.

Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
1.75 gal 6.6 L
Transmission
6 forward and 1 reverse
Operating Weight
468 lbs 212 kg

Overview

Gravely 1238-G tractor photo
1988 - 1991 1200 SeriesLawn tractor 1200 Series Lawn tractor
Production
Manufacturer
Gravely (a part of Ariens)
Lawn tractor
Gravely 1238-G Engine
12HP Briggs & Stratton 465cc 1-cyl gasoline
Fuel tank
1.75 gal 6.6 L
Engine details ...
Gravely 1238-G Transmission
6-speed gear
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Disc brakes
Open operator station.
Power Take-off (PTO)
Mid PTO
independent
Clutch
manual
Mid PTO Type
pulley
Dimensions & Tires
Wheelbase
46 inches 116 cm
Weight
468 lbs 212 kg
Front tire
13x5.00-6
Rear tire
18x8.50-8
Full dimensions and tires ...
Electrical
Ground
negative
Charging amps
3
Battery volts
12
References
1238-G references literature
Riding Tractors published in 1990, by Gravely
Riding Tractors published in 1991, by Gravely

Engine

Engine Detail — 465 cc / 28.4 ci Gasoline

Manufacturer
Briggs & Stratton 281707
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled vertical-shaft
Displacement
465 cc 28.4 ci
Bore/Stroke
3.44x3.06 inches 87 x 78 mm
Power (gross)
12 hp 8.9 kW
Starter
electric
Starter volts
12
Oil capacity
1.5 qts 1.4 L

Transmission

Transmission — 6 forward and 1 reverse belt-driven gear

Type
belt-driven gear
Gears
6 forward and 1 reverse
1238-G  belt-driven gear speeds

Dimensions

Gravely 1238-G Tires
Lawn/turf front
13x5.00-6
Lawn/turf rear
18x8.50-8
Dimensions
Wheelbase
46 inches 116 cm
Length
62 inches 157 cm
Height
37 inches 93 cm
Weight
468 lbs 212 kg

Attachments

Attachment overview
38" mid-mount mower deck
Snowblower
Blade
38" Mower deck
Type
mid-mount Gravely
manual lift
Cutting width
38 inches 96 cm
Overall width
34 inches 86 cm
Cut height
1.5 to 3.5 inch 3 to 8 cm

Photos

Gravely 1238-G tractor photo

Gravely 1238-G tractor photo

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Gravely Lawn Tractors Gravely 1238-G.

Estimated Continuous Field Runtime: 2.9 hrs

Approximately 2.9 hours of continuous field operation at ~75% rated power on a full tank (1.8 gal / 6.6 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

Gravely Lawn Tractors Gravely 1238-G Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Gravely Lawn Tractors Gravely 1238-G.

Converted Equivalents:

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