Gravely 1138

The Gravely 1138 is a tractor produced by Gravely Lawn Tractors. The listed engine power is Gasoline (gross): 11 hp / 8.2 kW. Transmission: 6 forward and 1 reverse. Operating weight: 477 lbs 216 kg.

Engine Power
Gasoline (gross): 11 hp / 8.2 kW
Fuel & Capacities
1.75 gal 6.6 L
Transmission
6 forward and 1 reverse
Operating Weight
477 lbs 216 kg

Overview

Gravely 1138 tractor photo
1984 - 1987 1100 SeriesGarden tractor 1100 Series Garden tractor
Production
Manufacturer
Gravely (a part of Ariens)
Garden tractor
Gravely 1138 Engine
11HP Briggs & Stratton 1-cyl gasoline
Fuel tank
1.75 gal 6.6 L
Engine details ...
Gravely 1138 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
Dimensions & Tires
Wheelbase
46 inches 116 cm
Weight
477 to 540 pounds
Front tire
13x5.00-6
Rear tire
18x8.50-8
Full dimensions and tires ...
Electrical
Ground
negative
Charging amps
3
Battery volts
12
References
1138 references literature
Riding Tractors published in 1986, by Gravely

Engine

Engine Detail — Gasoline

Manufacturer
Briggs & Stratton
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled vertical-shaft
Power (gross)
11 hp 8.2 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
1138  belt-driven gear speeds

Dimensions

Gravely 1138 Tires
Lawn/turf front
13x5.00-6
Lawn/turf rear
18x8.50-8
Dimensions
Wheelbase
46 inches 116 cm
Length
61 inches 154 cm
Height
36 inches 91 cm
Weight
477 lbs 216 kg
Shipping weight
540 lbs 244 kg

Attachments

Attachment overview
38" 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.
38" Mower deck
Type
mid-mount Gravely
manual lift
Cutting width
38 inches 96 cm
Overall width
49.5 inches 125 cm
Cut height
1.5 to 4 inch 3 to 10 cm

Photos

Gravely 1138 tractor photo

Gravely 1138 tractor photo

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Gravely Lawn Tractors Gravely 1138.

Estimated Continuous Field Runtime: 3.1 hrs

Approximately 3.1 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 (2.2 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 1138 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Gravely Lawn Tractors Gravely 1138.

Converted Equivalents:

Horsepower (HP)11 hp
Kilowatts (kW)8.2 kW
Metric Horsepower (PS / CV)11.2 PS