Honda H2113

Honda H2113The Honda Harmony H2113 is a lawn tractor with Honda GXV390 vertical general-purpose engine (389 cc, 23.7 cu-in) and 974 mm (38 in.) belt-driven twin blade mower deck. The mower deck is adjustable for cutting heights between 25 mm (1 in.) and 96 mm (4 in). The Honda H2113 lawn tractor was produced since 1988.

The Honda GXV390 is air-cooled single-cylinder four-stroke gasoline engine with vertical PTO shaft. This engine has an 88.0 mm (3.46 in) of the cylinder bore and 64.0 mm (2.5 in) of the piston stroke. Compression ratio rating is 7.7:1. The Honda GXV390 motor produces 13.0 HP (9.7 kW) at 3,600 rpm of maximum power and 28.0 Nm (2.8 kg·m, 20.3 ft·lb) at 2,500 rpm of peak torque.

The Honda Harmony H2113 is available with two transmissions:

  • The gear type transmission uses parallel shaft, constant mesh and sliding key. The gear transmission has five forward gears with travel speed from 2.4 km/h to 7.3 km/h (1.5 mph to 4.5 mph), neutral gear and single reverse gear 3.6 km/h (2.2 mph).
  • The hydrostatic transmission has three approximate ground speeds: “Reverse” from 0 to 3.6 km/h (0-2.2 mph), “Mowing” from 0 to 5.2 km/h (0-3.2 mph) and “Transport” from 5.2 to 7.3 km/h (3.2-4.5 mph).

General information

General Specifications
ModelHonda H2113GDA / H2113HDA
Modifications H2113GDA – model with gear transmission and side-discharge;
H2113HDA – model hydrostatic transmission and side-discharge;
H2113SDA – model with gear transmission (USA version);
Length GDA/HDA: 1,730 mm (68.2 in)
SDA: 1,670 mm (66.0 in)
Width GDA/HDA: 910 mm (35.8 in)
SDA: 921 mm (36.0 in)
Tractor width with mower deck: 1,250 mm (49 in.)
Height1,030 mm (40.5 in)
Wheel base1,135 mm (45.0 in.)
Dry weight (without tines) SDA/GDA: 154.0 kg (340.0 lbs)
HDA: 170.0 kg (375.0 lbs)
CD2038 mower deck: 37.5 kg (83 lbs)
Fuel tank capacity5.3 l (1.3 US gal.)
Engine modelHonda GXV390
Displacement389 cm3 (23.7 cu-in)
Bore x stroke88.0 X 64.0 mm (3.46 x 2.5 in)
Max. horsepower13.0 HP (9.7 kW) at 3600 rpm
Max. torque28.0 Nm (2.8 kg·m, 20.3 ft·lb) at 2,500 rpm
CarburetorHorizontal type, butterfly valve
Cooling systemForced-air
Ignition systemTransistorized magneto ignition
Lubricating systemPressure and splash
Starting systemElectric starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Transmission and clutch
Gear type transmission
Gear typeParallel shaft, constant mesh, sliding key
Gear selectionsFive forward, one reverse
Groung speeds First: 2.4 km/h (1.4 mph)
Second: 3.1 km/h (2.0 mph)
Third: 4.9 km/h (3.0 mph)
Fourth: 6.2 km/h (3.9 mph)
Fifth: 7.3 km/h (4.5 mph)
Reverse: 3.6 km/h (2.3 mph)

Hydrostatic type transmission
Hydrostatic typeHydrostatic,fluid drive
Groung speeds Reverse: 0-3.4 km/h (0-2.1 mph)
Mowing: 0-5.2 km/h (0-3.2 mph)
Transport: 5.2-7.3 km/h (3.3-4.5 mph)
Wheels and tires
Front tires size13×6.5-6
Front tires pressure98 kPa (1.0 kg/cm2, 14 psi)
Rear tires size18×8.5-8
Rear tires pressure69 kPa (0.7 kg/cm2, 10 psi)
Mower Deck
TypeTwin blade, belt drive, four-point link, dual anti-scalp rollers, side discharge model
Deck size974 mm (38 in.)
Height range25-96 mm (1-4 in.)
Blade brakeMechanical Arms
AdjustmentsLeft-right and front-rear, height adjustment splus anti-scalp roller height adjustments

Maintenance data

Maximum speed3,300 ± 150 rpm
Idle speed1,750 ± 150 rpm
Cylinder compression5.0-8.5 kg/cm2 (71-151 psi) at 600 rpm
Valve clearance
Intake valve0.10 ± 0.02 (0.004 ± 0.001)
Exhaust valve0.15 ± 0.02 (0.006 ± 0.001)
Main jet#95
Float height11.9-14.5 mm (0.47-0.57 in)
Pilot screw opening2-1/2 turns out
Oil system
Oil typeHonda 4-stroke or an equivalent (SF or SG)
Recommended oilSAE 10W-30
Oil capacity1.1 L (1.2 US gal, 1.0 lmp qt)
Ignition system
Ignition timing20 ° B.T.D.C (Fixed)
Spark plugNGK: BPR5ES
Spark plug gap0.7-0.8 mm (0.028-0.031 in)
Primary ignition coil resistance0.7-0.9 Ω
Secondary ignition coil resistance6.3-7.7 kΩ
Ignition coil air gap0.4 ± 0.2 (0.016 ± 0.008)
Starter motor
Brush length7.2 mm (0.28 in) limit: 3.5 mm (0.14 in)
Mica depth1.0 mm (0.04 in) limit: 0.2 mm (0.01 in)
Hydrostatic transmission lube
Transmission oil typeHonda hydrostatic transmission oil
Transmission oil capacity3.1 L (3.28 quarts)
Gear transmission lube
Factory sealed, no maintenance required
Blade bolt tightening torque
Blade bolt60.0 Nm; 6.0 kg·m; 43.4 ft·lb


Honda 38″ mid-mount mower deck
Cutting width960 mm (38 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

1 Comment

  1. What is the largest size tire I can get on rear which has 18×8.5-8? I want better traction for steep hills.

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