Gravely 24-G
The Gravely 24-G is a tractor produced by Gravely Lawn Tractors. It is equipped with a 978 cc 59.7 ci engine. The listed engine power is Gasoline (gross): 24 hp / 17.9 kW. Transmission: 8 forward and 4 reverse. Operating weight: 495 lbs 224 kg.
Engine Power
Gasoline (gross): 24 hp / 17.9 kW
Fuel & Capacities
5.3 gal
20.1 L
Transmission
8 forward and 4 reverse
Operating Weight
495 lbs
224 kg
Overview
 | 1989 - 2001
Professional G SeriesGarden tractor
Professional G Series
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Gravely |
Garden tractor | |
Gravely 24-G Engine | |
|---|---|
24HP Onan 978cc 2-cyl gasoline | |
Fuel tank | 5.3 gal
20.1 L |
Engine details ...  | |
Gravely 24-G Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 60 inches
152 cm |
Weight | 963 lbs
436 kg |
Front tire | 18x8.50-8 |
Rear tire | 26x12.00-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging amps | 20 |
Battery volts | 12 |
References | |
|---|---|
 | |
Riding Tractors published in 1990, by Gravely | |
Riding Tractors published in 1991, by Gravely |
Engine
Engine Detail — 978 cc / 59.7 ci Gasoline
Manufacturer | Onan P224 |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft horizontally-opposed |
Displacement | 978 cc
59.7 ci |
Bore/Stroke | 3.56x3.00 inches
90 x 76 mm |
Power (gross) | 24 hp
17.9 kW |
Rated RPM | 3300 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 3 qts
2.8 L |
Gravely 24-G Engine | |
|---|---|
 |
Transmission
Transmission — 8 forward and 4 reverse shaft-driven gear
Type | shaft-driven gear |
Gears | 8 forward and 4 reverse |
Oil capacity | 5.5 qts
5.2 L |
 | |
Dimensions
Gravely 24-G Tires | |
|---|---|
Lawn/turf front | 18x8.50-8 |
Lawn/turf rear | 26x12.00-12 |
Dimensions | |
|---|---|
Wheelbase | 60 inches
152 cm |
Length | 90.2 inches
229 cm |
Width | 46.4 inches
117 cm |
Height | 51.5 inches
130 cm |
Weight | 963 lbs
436 kg |
Attachments
Attachment overview | |
|---|---|
72" mid-mount mower deck | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
72" Mower deck | |
|---|---|
Type | mid-mount Gravely |
3-blade | |
Cutting width | 72 inches
182 cm |
Weight | 495 lbs
224 kg |
Overall width | 84 inches
213 cm |
Cut height | 1.5 to 5 inch
3 to 12 cm |
Photos
Gravely 24-G
Recommended Implements & Sizing Guide
Engineering recommendations for Gravely Lawn Tractors Gravely 24-G based on its 24 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Gravely Lawn Tractors Gravely 24-G.
Estimated Continuous Field Runtime: 4.2 hrs
Approximately 4.2 hours of continuous field operation at ~75% rated power on a full tank (5.3 gal / 20.1 L).
Estimated 75% Load Fuel Burn~1.2 gal/hr (4.7 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 24-G Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Gravely Lawn Tractors Gravely 24-G.
Converted Equivalents:
Horsepower (HP)24 hp
Kilowatts (kW)17.9 kW
Metric Horsepower (PS / CV)24.3 PS
Direct Competitor Comparison
Compare Gravely 24-G against same-era industry alternatives in the same horsepower class.
Current Model
Gravely Lawn Tractors
Gravely 24-G
Engine Power:Gasoline (gross): 24 hp / 17.9 kW
★ Baseline Reference
Related models
Gravely lawn tractors 8199
- Power:
- 19.9
- Production years:
- 1980 - 1985
Gravely lawn tractors 20-G
- Power:
- 20
- Production years:
- 1988 - 2001
Gravely lawn tractors Pro Master 20-H
- Power:
- 20
- Production years:
- 1989 - 1991
Gravely lawn tractors GMT 900
- Power:
- 26
- Production years:
- 1977 - 1977
Gravely lawn tractors GMT 9000
- Power:
- 26
- Production years:
- 1977 - 1982