Honda H5518

Last Updated: June 2024

Overview

The Honda H5518 is a versatile lawn tractor powered by a robust Honda GX630 engine. This engine is a compact 0.64L (635 cc, 38.7 cu-in) two-cylinder, water-cooled gasoline engine delivering 18 HP at 3,600 RPM with a torque output of 34.0 ft·lb at 2,500 RPM. Its liquid-cooling system and OHV design ensure efficient operation and longevity. The Honda H5518 offers a comfortable operational experience with an electric starter and a pinion-and-sector four-wheel steering system. The tractor's transmission is comprised of a selection of 8 forward gears and 4 reverse gears, allowing for a range of speed options to tackle various tasks. An important note for maintenance is that the fuel system requires unleaded gasoline with an octane number of 86 or higher and an oil type of Honda 4-stroke or equivalent, preferably SAE 10W-40. The H5518 was produced from 1991 to 1999, and its build quality and ease of use have made it a reliable choice for lawn maintenance and other small-scale agricultural tasks.
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Key Specifications

Category: Lawn and Garden

Power Output: 18

Transmission: Selective sliding gear

Operating Weight: 1,008 - 1,058

Fuel Type: Unleaded gasoline

Honda H5518 vs. Similar Tractors

Power Output
Average
Greater than 55% of similar tractors.

Technical Specifications

Engine

Manufacturer
Honda
Model
GX630
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
OHV
Fuel Type
Unleaded gasoline
Induction Type
Naturally aspirated
Cylinders
2
Displacement (ci)
38.7
Bore (in)
3
Stroke (in)
2.8
Rated RPM
3,600
Power Output (hp)
18

Transmission

Type
Selective sliding gear
Forward Gears
8
Reverse Gears
4
Total Gears
-

Dimensions

Length (in)
86.2 - 93.3
Width (in)
42.1 - 44.3
Height (in)
48.6
Operating Weight (lb)
1,008 - 1,058

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
-
Drive Type
-
Steering Type
Pinion-and-sector
Coolant Capacity (qts)
-
Front Tire Diameter (in)
20
Front Tire Width (in)
7
Rear Tire Diameter (in)
24.5
Rear Tire Width (in)
8
Front/Rear Rim Diameter (in)
-
Tire Type
-
Manufacture - End Year
1999
Hitch Type
-
Hitch Category
-
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric starter
Brake Type
Mechanical leading-trailing shoe
Hydraulic System Type
-