Kubota g1900 Specification, Prices & Overview ❤️

Kubota g1900 Specification, Attachments, Prices & Overview

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Kubota G1900

About Kubota G1900

The G1900 is a two-wheel-drive lawn and garden tractor from Kubota’s G series. From 1989 to 2000, this tractor was made by the Kubota company.

The Kubota G1900 has an infinite number of forward and reverse gears thanks to its shaft-driven hydrostatic transmission and 0.7 L, three-cylinder diesel engine.

The Kubota D722 engine was in the Kubota G1900 garden tractor. It is a three-cylinder diesel engine with a displacement of 0.7 L (719 cm2) and a bore and stroke of 67 mm (2.64 in) and 68 mm (2.68 in), respectively.

The most power this engine could make was 18.2 PS (13.4 kW; 18.0 HP).

Internal expanding shoe brakes, an open operator station, a 19.0 liter (5 US gal; 4.2 Imp. gal) fuel tank, two-wheel steering, or four-wheel steering (G1900S version) are all included with the Kubota G1900.

Kubota G1900 Price

Kubota G1900 Original Price: NA

Kubota G1900 Specs


Engine Model Kubota D722
Engine Type Vertical, 4-stroke 3-cylinder diesel
Number of Cylinders Three
Displacement, cu in (L) 43.9 (0.719)
Engine Bore, in (mm) 2.64 (67.0)
Engine Stroke, in (mm) 2.68 (68.0)
Rated Engine Power, hp (kW) 18.8 (14.0)
Maximum Engine Power, hp (kW) 20.0 (14.9)
Rated Engine Speed, rpm 3800
Compression 23.5:1
Firing Order 1-2-3
Fuel System Indirect injection
Fuel Injection Pump Bosch MD-type mini pump
Governor All-speed mechanical governor
Direction of Rotation Counter-clockwise
Injection Nozzle Bosch Throttle type
Lubricating System Forced lubrication by trochoid pump
Injection pressure, MPa (psi) 13.73 (1991)
Fuel Tank Capacity, gal (L) 5.0 (18.9)
Engine Oil Capacity, qts (L) 3.4 (3.2)
Coolant Capacity, qts (L) 3.3 (3.1)

Electrical System

Electrical System Rating, Volts 12
Starting System Electric Starting with Starter
Starting Motor 12V, 0.8 kW
Battery 12V, 36 AH equivalent
Charging Alternator 12V, 150W


Transmission Type Hydrostatic
Gears Infinite forward and reverse
Differential Lock Standard
Travel Speed Control One pedal (Forward/Reverse)
Maximum Forward Speed, mph (kph) 8.1 (13.0)
Maximum Reverse Speed, mph (kph) 3.7 (6.0)
PTO Speed, rpm 2000
Service Brake Internal expanding shoe

Wheels And Tires

Drive Wheels 2WD 4×2
Steering Configuration Front Steer
Front Steering Wheels (G1900) 2-Wheel Steer
Front Steering Wheels (G1900S) 4-Wheel Steer
Steering System Hydrostatic
Front Tire Size (Turf) 16×6.50-8
Rear Tire Size (Turf) 23×8.50-12
Rear Tire Size (Turf) 23×10.50-12

Dimensions And Weight

Wheelbase, in (mm) 51 (1290)
Overall Length, in (mm) 73.4 (1860)
Overall Width, in (mm) 40.7 (1030)
Overall Height, in (mm) 45.7 (1160)
Weight (G1900), lbs (kg) 707 (320)
Weight (G1900S), lbs (kg) 749 (340)

48 Mower Deck

Mower Deck Model RC48
Mower Deck Type Mid-mount
Number of Blades 3
Drive Method Belt
Cutting Width, in (mm) 48 (1220)
Cutting Height, in (mm) 1.4-3.5 (35-80)

54 Mower Deck

Mower Deck Model RC54
Mower Deck Type Mid-mount
Number of Blades 3
Drive Method Belt
Cutting Width, in (mm) 54 (1370)
Cutting Height, in (mm) 1.5-4.0 (38-102)

60 Mower Deck

Mower Deck Model RC60
Mower Deck Type Mid-mount
Number of Blades 3
Drive Method Belt
Cutting Width, in (mm) 60 (1520)
Cutting Height, in (mm) 1.5-4.0 (38-102)

Kubota G1900 Review Video

Kubota g1900 Attachments

Attachment overview
48″ mid-mount mower deck
54″ mid-mount mower deck
60″ mid-mount mower deck

Kubota G1900 Problems

Diesel Engine Troubleshooting

The engine won’t start or is difficult to start

  • The fuel filter is clogged; replace the filter element.
  • Open the fuel cock if there is no fuel injection to inject fuel.
  • Air in fuel lines – Bleed fuel lines
  • The fuel injectors are dirty or broken – Maintain or replace fuel injectors
  • If the fuel injection pump is broken, rebuild or replace it.
  • Poor engine compression: Check the cylinder block for worn parts and replace them.

The engine shuts off unexpectedly during the operation

  • The engine hasn’t warmed up enough. – Get the engine to the right temperature by warming it up.
  • If your fuel lines leak air, tighten the clamps and replace any bad pipes.
  • Irregular fuel injection: Change the timing of the fuel injection
  • Fuel filter clogged – Replace the filter element
  • Injectors that are clogged or broken – Check the fuel injectors and, if necessary, replace them.

The engine starts and stalls immediately

  • Out of time: Check and fix the settings on the fuel injection pump.
  • Replace the dirty fuel filter element.
  • If the injector nozzles are clogged or broken, you should change them.
  • The fuel injection pump is broken—change it or fix it.
  • If the air cleaner element is dirty, replace it or put in a new one.

Hydrostatic Transmission Troubleshooting

Excessive HST transmission noise

  • Linkage for controlling the speed is worn or not in the right place. Change or adjust the linkage.
  • Transmission is under too much load; it needs to be lowered.
  • Transmission fluid is dirty or there isn’t enough of it. Fill to the right level or change the fluid.

Hard shifting

  • If the shift linkage is loose or broken – Replace the faulty linkage.
  • The hydrostatic pump is broken or locked up. – Fix or replace pump
  • Parts of the transmission’s shift control are broken or out of place – Make the right changes or start over

Loss of power

  • Insufficient transmission fluid – Put the right amount of fluid in the transmission case
  • Drive sheave is broken or worn out? Change sheave
  • Shifter linkage is faulty or has not been adjusted – Replace or adjust the linkage
  • Linkage for the speed control pedal is bent or not set up right – Change or set up linkage

Mower Deck Troubleshooting

The mower vibrates too much

  • Mower driving pulley that is worn or unclean – service or replaces pulley
  • The drive belt is broken or comes off – Belt replacement or tension adjustment
  • The cutting blades are crooked or out of balance. Change or even out the blades.
  • Loose blade mounting bolts: Tighten the bolts.

Constant clogging of the discharge chute

  • Fast ground speed – Slow down!
  • Cut the grass shorter if it’s tall.
  • The engine is going too slowly; raise the rpm on the carburetor.
  • The level of cutting is too low. Raise the level of cutting.
  • The installation of the drive belt on the mower is wrong. Check the installation of the drive belt.


This concludes our coverage of the Kubota G1900 Tractor Price, Specifications, Review, and Key Features. If you have any questions about this post, please leave them in the comment section below, and we’ll get back to you as soon as possible.

Kubota G1900 FAQ

What engine is in a Kubota g1900?

Kubota g1900 has a 3-cylinder, liquid-cooled horizontal-shaft inline engine


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