Kubota M9960

Last Updated: July 2024

Overview

The Kubota M9960 is a utility tractor with a 4-cylinder, turbocharged and intercooled diesel engine producing 91.03 hp at 2600 rated RPM. It has a selective gear fixed ratio transmission with 24 forward and 24 reverse gears. Key specs include 3.937 in bore, 4.724 in stroke, 17.5:1 compression ratio, 10.5 psi turbo boost, and 229 lb-ft maximum torque at 1503 RPM with 24.6% torque rise. The hydraulic system delivers 17.1 GPM at minimum pressure and 20.3 hp hydraulic power. Operating weight is 6720 lbs with specified tires.

Key Specifications

Category: Utility

Power Output: 91.03

Transmission: Selective gear fixed ratio

Operating Weight: 6720

Fuel Type: Diesel

Lift Capacity: 4,630 lbs

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Kubota M9960 Tractor

Kubota M9960 vs. Similar Tractors

Power Output

Above Average

Greater than 82% of similar tractors.

Hitch Capacity

Below Average

Greater than 11% of similar tractors.

Operating Weight

Above Average

Greater than 88% of similar tractors.

Technical Specifications

Engine

Manufacturer: Kubota
Model: V3800-CR-TIE4
Cooling Type: Four-stroke, liquid-cooled
Cylinder Orientation: In-line
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged intercooled
Cylinders: 4
Displacement (ci): 230
Bore (in): 3.937
Stroke (in): 4.724
Rated RPM: 2600
Power Output (hp): 91.03

Transmission

Type: Selective gear fixed ratio
Forward Gears: 24 forward (24-speed configuration tested)
Reverse Gears: 24 reverse (24-speed configuration tested)
Total Gears: -

Dimensions

Length (in): 153 (2WD), 148 (4WD)
Width (in): 77.8 (4WD)
Height (in): 100.8 (4WD)
Operating Weight (lb): 6720

Power Take-Off (PTO)

PTO Type: Independent with electro-hydraulic clutch
PTO Speed 1 (rpm): 540
PTO Speed 2 (rpm): 540/540E
PTO Speed 3 (rpm): 540/1,000

Miscellaneous

Chassis: 4x2 2WD or 4x4 MFWD 4WD
Drive Type: -
Steering Type: Hydrostatic power
Coolant Capacity (qts): 9.5 US qt
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Rear: Two 18.4-30; Front: Two 12.4-24
Manufacture - End Year: 2016
Hitch Type: Three-Point Hitch
Hitch Category: II
Hitch Position: Rear
Hitch Capacity (lb): 4,630 lbs
Operator Station Type: Two-post foldable ROPS or Ultra Grand Cab with air-conditioning
Starter Type: Electric
Brake Type: Hydraulic wet disc
Hydraulic System Type: Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: June 6 - 13, 2013

Maximum Power and Fuel Consumption

Rated Engine Speed (PTO speed—637 rpm): 91.03 HP (67.88 kW) at 2601 rpm
Fuel Consumption at Rated Engine Speed: 5.68 Gal/hr (21.49 l/h) with a fuel efficiency of 0.437 lb/hp.hr (0.266 kg/kW.h)
Fuel Used During Active Exhaust Regeneration: 0.07 gal (0.26 l)

Drawbar Performance

Power at Standard PTO Speed (540 rpm): 86.90 HP (64.80 kW) at 2205 rpm
Fuel Consumption at Standard PTO Speed: 5.05 Gal/hr (19.12 l/h) with a fuel efficiency of 0.407 lb/hp.hr (0.248 kg/kW.h)

Torque and Engine Performance

Maximum Torque: 229 lb.-ft. (310 Nm) at 1503 rpm
Torque Rise: 24.6% at 1503 rpm
Torque Rise at 2080 rpm: 16%

Hydraulic Performance

Maximum Force Exerted through the Whole Range: 6192 lbs (27.5 kN)
Pump Delivery Rate at Minimum Pressure and Rated Engine Speed: 17.1 GPM (64.6 l/min)
Maximum Hydraulic Power: 20.3 HP (15.1 kW) at a delivery pressure of 2285 psi (158 bar)

Overall Efficiency

Fuel Efficiency at Rated Engine Speed: 16.03 Hp.hr/gal (3.16 kW.h/l)
Fuel Efficiency at Standard PTO Speed: 17.21 Hp.hr/gal (3.39 kW.h/l)

NTTL.(2013).Nebraska Tractor Test 2065 for Kubota M9960 Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2491