Kubota gr2120 Specification, Oil Capacity, Prices & Overview
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About Kubota GR2120
The GR2120 from Kubota is a lawn and Garden tractor with a four-wheel drive. The Kubota Company has Been making this Tractor since 2010. The Kubota GR2120 has a 0.8 L diesel engine with three cylinders and a hydrostatic transmission with an Infinite number of forward and backward gears..
Kubota GR2120 garden tractors have D782 engines. Three-cylinder diesel engine 67 mm (2.64 in) bore and 73 mm piston stroke. (2.9 in).
It has a Displacement of 0.8 L (778 cm2) And a displacement of 47.5 cuin. This Engine had a Gross output Power of 21.2 PS (15.6 kW; 21.0 HP). the Kubota GR2120 has a fuel tank That Holds 18.0 liters (4.8 US gal; 4 Imp. gal), an Open operator Station, And hydrostatic power Steering.
Kubota GR2120 Price
Kubota GR2120 Original Price: $9,388 USD
Kubota gr2120 Oil Capacity
Kubota GR2120 oil capacity is 18.0 liters
Kubota GR2120 Specs
Engine
| Engine Model | Kubota D782 |
| Engine Type | Vertical, water-cooled, 4-cycle diesel |
| Number of Cylinders | 3 |
| Displacement, cu in (L) | 47.5 (0.778) |
| Engine Bore, in (mm) | 2.64 (67.0) |
| Engine Stroke, in (mm) | 2.90 (73.6) |
| Aspiration | Natural |
| Rated Engine Power, hp (kW) | 18.1 (13.5) |
| Maximum Engine Power, hp (kW) | 18.9 (14.2) |
| Rated Engine Speed, rpm | 3000 |
| High Idle Speed, rpm | 3450 |
| Low Idle Speed, rpm | 900-1000 |
| Torque Speed, rpm | 1350 |
| Compression Ratio | 24:1 |
| Firing Order | 1-2-3 |
| Fuel Injection to the combustion chamber | Spherical type |
| Fuel Injection Pump | Bosch MD-type mini pump |
| Governor Type | All-speed mechanical governor |
| Injection Nozzle | Bosch Throttle type |
| Lubricating System | Forced lubrication by trochoid pump |
| Oil Pressure Indicating | Electrical type switch |
| Lubricating Filter | Full-flow paper filter (Cartridge type) |
| Cooling System | Pressurized radiator, forced circulation with water pump |
| Fuel Tank Capacity, gal (L) | 4.8 (18.0) |
| Oil Capacity, qts (L) | 3.0 (2.8) |
| Coolant Capacity, qts (L) | 2.2 (2.1) |
Electrical System
| Electrical System Rating, Volts | 12 |
| Charging Alternator | 12V, 150W |
| Starting System | Electric Starting with Starter |
| Starting Motor | 12V, 1.0 kW |
| Battery | 51R (12V, 475CCA) |
Power Take Off
| PTO Operational Type | Shaft drive |
| PTO Horsepower, hp (kW) | 13.5 (10.2) |
| PTO Clutch | Hydraulic wet multi discs |
| PTO Brake | Wet multi discs |
Transmission
| Transmission Type | Hydrostatic |
| Gears | Infinite forward and reverse |
| Cruise Control | Standard |
| Travel Speed Control | Foot pedal |
| Transmission Oil Capacity, qts (L) | 3.5 (3.3) |
| Maximum Forward Speed, mph (kph) | 6.2 (10.0) |
| Maximum Reverse Speed, mph (kph) | 3.1 (5.0) |
| Service Brake | Internal expanding brake |
Wheels And Tires
| Drive Wheels | 4WD 4×4 |
| Steering Configuration | Front Steer |
| Steering System | Full hydraulic power steering (Glide steer) |
| Front Tire Size (Turf, Bar) | 16×7.5-8 |
| Rear Tire Size (Turf, Bar) | 23×10.5-12 |
| Front Tire Maximum Pressure, kPa (psi) | 180 (26) |
| Rear Tire Maximum Pressure, kPa (psi) | 150 (22) |
| Front Tread, in (mm) | 32.2 (825) |
| Rear Tread, in (mm) | 32.3 (820) |
Dimension And Weight
| Wheelbase, in (mm) | 50.4 (1280) |
| Overall Length, in (mm) | 78.3 (1990) |
| Width (with 48-inch mower deck), in (mm) | 61 (1550) |
| Width (with 54-inch mower deck), in (mm) | 67 (1700) |
| Overall Height, in (mm) | 50.8 (1290) |
| Weight (without mower deck), lbs (kg) | 790 (360) |
| Weight (with 48-inch mower deck), lbs (kg) | 960 (435) |
| Weight (with 54-inch mower deck), lbs (kg) | 970 (440) |
48 Mower Deck
| Mower Deck Model | RCK48GR |
| Cutting Width, in (mm) | 48 (1219) |
| Cutting Height, in (mm) | 1.0-4.0 (25-102) |
| Adjustment of Cutting Height | Dial gauge |
| Mounting Method | Quick joint, parallel linkage |
| Total Length, in (mm) | 35.4 (900) |
| Total Width, in (mm) | 61 (1550) |
| Total Height, in (mm) | 11.4 (290) |
| Discharge Direction | Right |
| Gearbox Oil Capacity, qts (L) | 0.16 (0.15) |
| Weight, lbs (kg) | 165 (75) |
54 Mower Deck
| Mower Deck Model | RCK54GR |
| Cutting Width, in (mm) | 54 (1372) |
| Cutting Height, in (mm) | 1.0-4.0 (25-102) |
| Adjustment of Cutting Height | Dial gauge |
| Mounting Method | Quick joint, parallel linkage |
| Total Length, in (mm) | 35.6 (905) |
| Total Width, in (mm) | 67 (1700) |
| Total Height, in (mm) | 11.4 (290) |
| Discharge Direction | Right |
| Gearbox Oil Capacity, qts (L) | 0.16 (0.15) |
| Weight, lbs (kg) | 177 (80) |
Kubota GR2120 Review
The Kubota GR2120 is a diesel-powered lawn tractor renowned for its durability, power, and user-friendliness. It’s a top pick for homeowners with expansive lawns or those requiring a tractor capable of handling challenging mowing conditions.
For a full review, please check this YouTube video.
Kubota GR2120 Attachments
| Attachment overview | |
| 48″ mid-mount mower deck | |
| 54″ mid-mount mower deck | |
| Snowblower | |
| Blade |
Kubota GR2120 Problems
Diesel Engine Troubleshooting
The engine won’t start or starts hard
- The fuel filter is dirty; you should put in a new filter element.
- Open the fuel Supply valve to inject fuel if The fuel supply valve is closed.
- If there is water, dirt, or air in the fuel system, you need to drain, flush, fill, and bleed it.
- If the fuel injectors are clogged or broken, clean or replace them.
- Fuel injection pump damage – Change or fix the injection pump.
- Poor engine compression – Check the cylinder block and replace any broken parts.
Engine stops during operation
- The engine hasn’t reached the right temperature yet. Warm it up as needed.
- There’s air in the fuel system—Let the air out of the system.
- Irregular fuel injection: Change the timing of the fuel injection
- Clean or replace the filter if the fuel filter element is dirty.
- Fuel injectors that are clogged or broken: Check the fuel injectors and replace them if necessary.
The engine starts and stops
- The fuel injection pump is out of sync with the engine.
- Fuel filter obstruction – Replace the filter element
- Dirty fuel injector nozzles should be replaced.
- The fuel injection pump isn’t working right; fix or replace it.
- The air cleaner element is clogged. Change or replace the air cleaner element.
Hydrostatic Transmission Troubleshooting
HST transmission noises
- Linkage for controlling speed is worn or not set up right. Change or set up the linkage.
- Overloading the transmission: The load should be lowered
- Transmission fluid is dirty or there isn’t enough of it. Fill it up to the right level or change it.
- Transmission parts are broken or worn. Replace or fix the broken parts.
Difficult to shift
- Shift linkage stuck or worn out – linkage needs to be replaced
- The hydrostatic pump is broken or stuck – Fix or replace the pump
- Parts of the transmission shift control that aren’t set up right or are broken: replace or set up as needed.
Power is too low
- Not enough transmission fluid? Check and add more transmission fluid.
- The drive pulley is broken or worn, so you should put in a new one.
- The shift linkage is broken or misaligned – Change or adjust the linkage
- The linkage for the speed control pedal is bent or not set up right. Fix or set up the linkage.
Mower Deck Troubleshooting
Mower vibrates excessively
- The drive sheave on the mower deck is dirty or worn out.
- Mower blades that aren’t straight or bent should be changed or straightened.
- Blade bolts are not tight enough. The bolts need to be tightened.
- Drive belt lose? Tighten or replace the belt.
Constant clogging of the discharge chute
- High speed of cutting – Operate at a slower speed
- Tall grass? Lower the cutting height on your mower.
- Less engine speed—The throttle isn’t fully open
- Low-cutting mower deck: Use a higher cutting height
- Drive belt installation error – Replace the drive belt properly.
Lawn mower leaving uncut grass
- The cutting deck is clogged—Check the cutting deck and clean it.
- The blades are too dull. Sharpen the blades.
- If the blades are worn or broken, change them.
- High speed on the ground—need to slow down
- The cutting height is too low. Raise the cutting height on the mower.
- When the grass bag is full, empty it.
Electrical Tr0oubleshooting
The battery will not charge
- Loose or corroded wire connections – Fix or tighten connections
- Bad terminal clamps on the battery? Get new terminal clamps.
- The batteries need to be replaced because they are broken.
Starter cranks slow
- Low voltage means the battery is empty and needs to be charged.
- The battery is going down quickly. Have it fixed or get a new one.
- Terminals that don’t work or battery cables that aren’t connected. Check the wiring connections and clean or replace the terminals.
The starter will not work
- If the battery is dead or old; charge or replace it.
- The wire harness isn’t connected or isn’t connected right. Check the wire harness and connect it correctly.
- The battery has low capacity and must be recharged.
- A spark plug that is broken or not set up right – Clean, adjust, or replace a spark plug.
- Replacing a broken starting motor or solenoid is necessary.
Conclusion
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Kubota GR2120 FAQ
How much does a new Kubota GR2120 cost?
Kubota GR2120 Original Price: $9,388 USD
Is Kubota GR2120 a 4WD?
For superior performance in areas requiring both 4WD traction and effective mowing, consider the GR20 Series with Glide Steer technology.
How much does a Kubota GR2120 weigh?
Kubota GR2120 weight is 970 lbs (with deck) 439 kg
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