Honda H5518
The Honda H5518 is a tractor produced by Honda Lawn Tractors. It is equipped with a 634 cc 38.7 ci engine. The listed engine power is Gasoline (listed): 18 hp / 13.4 kW. Transmission: 8 forward and 2 reverse. Operating weight: 948 lbs (2WD dry) 430 kg.
Engine Power
Gasoline (listed): 18 hp / 13.4 kW
Fuel & Capacities
2.5 gal
9.5 L
Transmission
8 forward and 2 reverse
Operating Weight
948 lbs (2WD dry)
430 kg
Overview
 | 1991 - 1999
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Honda |
Garden tractor | |
Variants | |
|---|---|
H5518A2 | 2WD |
H5518A4 | 4WD |
Honda H5518 Engine | |
|---|---|
18HP Honda 634cc 2-cyl gasoline | |
Engine details ...  |
Honda H5518 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Steering | manual four-wheel |
Mechanical shoe brakes | |
Two-post ROPS. | |
Capacity | |
|---|---|
Fuel | 2.5 gal
9.5 L |
Hydraulic system | 0.53 gal
2.0 L |
Hydraulics | |
|---|---|
Capacity | 0.53 gal
2.0 L |
Pressure | 1280 psi
88.3 bar |
Tractor hitch | |
|---|---|
Rear Type | 0 *Optional. Honda kit RLK5000. |
Rear lift (at ends) | 550 lbs
249 kg |
Front lift | 550 lbs
249 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 2000 |
Front PTO | independent |
Front PTO Type | 2650 |
Dimensions & Tires | |
|---|---|
Wheelbase | 51.4 inches
130 cm |
Weight | 948 to 1014 pounds |
Front tire | 20x7.00-12.2 |
Rear tire | 24x8.00-14.2 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 30 |
References | |
|---|---|
 | |
Owner's Manual Tractor H5518H (31769611) published in 1990 | |
Honda Multi-Purpose Tractors published in 1994 |
Engine
Engine Detail — 634 cc / 38.7 ci Gasoline
Manufacturer | Honda GX640 |
Fuel Type | Gasoline |
Configuration | 2-cylinder, liquid-cooled |
Displacement | 634 cc
38.7 ci |
Bore/Stroke | 3.00x2.80 inches
76 x 71 mm |
Power | 18 hp
13.4 kW |
Fuel system | carburetor |
Air cleaner | dry (4192753) |
Rated RPM | 3000 |
Starter | electric |
Starter volts | 12 |
Coolant capacity | 2.9 qts
2.7 L |
Sparkplug | NGK BPR5ES-11 |
Sparkplug gap | 0.040 inches
1.016 mm |
Intake valve clearance | 0.010 inches
0.254 mm |
Exhaust valve clearance | 0.018 inches
0.457 mm |
Oil capacity | 2.1 qts
2.0 L |
Transmission
Transmission — 8 forward and 2 reverse gear
Type | gear |
Gears | 8 forward and 2 reverse |
Oil capacity | 4 qts
3.8 L |
Four forward and two reverse gears with high and low range. | |
 | |
Dimensions
Honda H5518 Tires | |
|---|---|
Lawn/turf front | 20x7.00-12.2 |
Lawn/turf rear | 24x8.00-14.2 |
Dimensions | |
|---|---|
Wheelbase | 51.4 inches
130 cm |
Length | 86.2 inches
218 cm |
Width | 41.7 inches
105 cm |
Height (ROPS) | 70.9 inches
180 cm |
Weight | 948 lbs (2WD dry)
430 kg |
1,014 lbs (4WD dry)
459 kg | |
Ground clearance | 6.7 inches
17 cm |
Attachments
Attachment overview | |
|---|---|
46" mid-mount mower deck | |
52" mid-mount mower deck | |
Snowblower | |
Blade | |
Front-end loader | |
The front-loader was only available for the four-wheel drive model (H5518A4). | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
Honda H5518
Recommended Implements & Sizing Guide
Engineering recommendations for Honda Lawn Tractors Honda H5518 based on its 18 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. |
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 Honda Lawn Tractors Honda H5518.
Estimated Continuous Field Runtime: 2.7 hrs
Approximately 2.7 hours of continuous field operation at ~75% rated power on a full tank (2.5 gal / 9.5 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.5 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
Honda Lawn Tractors Honda H5518 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Honda Lawn Tractors Honda H5518.
Converted Equivalents:
Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS
Direct Competitor Comparison
Compare Honda H5518 against same-era industry alternatives in the same horsepower class.
Current Model
Honda Lawn Tractors
Honda H5518
Engine Power:Gasoline (listed): 18 hp / 13.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Type A 15HP
Engine Power:16.7
Production Years:1908 - 1911
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