Kubota A-19 sub-compact utility tractor specs and service data

The Kubota A-19 is a sub-compact utility tractor model from the Aste series, manufactured from 1988 to 1992 by Kubota. It was available in four-wheel drive (4WD) version.

The Kubota A-19 is equipped with a 1.1 L (68.7 cu·in) three-cylinder diesel engine with 78.0 mm (3.07 in) of the cylinder bore and 78.4 mm (3.09 in) of the piston stroke, and transmission with 6 forward and 2 reverse gears.

The Kubota A-19 sub-compact utility tractor features:

The D1105 diesel engine which produces 18.5 PS (13.6 kW; 18.2 HP) at 2,600 rpm of horsepower
Open operator station with two-post ROPS
Category 0 rear hitch
Rear PTO with 540 rpm

General specifications

General Specifications
Model	Kubota A-19
Tractor type	Sub-compact utility tractor
Production years	1988-1992
Factory	–
Dimensions and weight
Length	2,530 mm (99.6 in)
Width	1,040 mm (40.9 in)
Height	1,270 mm (50 in)
Wheel base	1,350 mm (53.1 in)
Ground clearance	300 mm (11.8 in)
Weight	670 kg (1,477 lbs)
Fuel capacity
Fuel tank capacity	17.0 liters (4.5 US gal.; 3.7 Imp. gal)

Engine

Engine Specifications
Engine model	Kubota D1105
Engine type	4-stroke, SOHC, three-cylinders
Displacement	1.1 L, 1,123 cm³, (68.5 cu·in)
Bore and stroke	78.0 mm X 78.4 mm (3.07 in X 3.09 in)
Max. horsepower	18.5 PS (13.6 kW; 18.2 HP) at 2,600 rpm
Cooling system	Liquid-cooled
Fuel used	Diesel fuel
Starting system	Electric starting with 12V starter
Starting support device	Glow plug in combustion chamber
Governor	All speed mechanical governor
Charging system	Alternator 12V
PTO shaft rotation	Counterclockwise
Valve clearance
Intake valve clearance:	0.145-0.185 mm (0.0057-0.0073 in)
Exhaust valve clearance:	0.145-0.185 mm (0.0057-0.0073 in)
Oil system
Lubrication system:	Forced lubrication by trochoid pump
Oil type:	CF or higher
Recommended oil:	SAE 10W-30, 10W-40
Oil pressure:	At idle speed: 49 MPa (0.5 kgf/cm², 7 psi) At rated speed: 196 to 441 MPa (2.0-4.5 kgf/cm², 28 to 64 psi)
Oil filter:	Full flow paper filter (Cartridge type)
Oil pressure indicating:	Electrical type switch
Oil and oil filter change interval:	Every 200 hours
Fuel system
Fuel injection pump:	Bosch MD type mini fuel injection pump
Injection nozzle:	Mini Nozzle (DNOPD)
Firing order:	1-2-3
Injection pressure:	13.73 MPa (140 kgf/cm², 1,991 psi)

Transmission and chassis

Chassis, steering and brakes
Chassis	4×4 4WD
Steering type	–
Brakes	–
Transmission
Transmission manufacturer or model	–
Transmission type	–
Gears	6 forward and 2 reverse
Speed	Forward: 13.7 kmh (8.5 mph) Reverse: 6.4 kmh (4 mph)

Tires

Tires
Front tires	Ag: 6-12
Rear tires	Ag: 8.3-20

Rear Hitch

Three-Point Hitch
Category	0
Control type	–
Lift capacity (at ends)	–

PTO (Power take-off shaft)

PTO
Rear PTO type	–
Rear PTO speed	540 rpm

Electrical system

Electrical system
Ground	Negative
Charging system	–
Charging amps	–
Battery	12V

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.

Kubota A-19