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Kubota M6800 Specs ( 1997-2005 )

Name: Kubota M6800
Brand: Kubota

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Nebraska Test #501

KUBOTA M6800DT

Max Drawbar HP 57.0 hp

Max Pull 7,235 lbs

View Full Test Data →

Overview

The Kubota M6800 is a Japanese-built utility farm tractor produced between 1997 and 2005, powered by a 3.3L 4-cylinder diesel engine. Available in 2WD and 4WD variants with either ROPS or cab configurations, the model features an 8-speed synchronized or power shuttle transmission and is equipped with an independent 540 RPM rear PTO.

Ideal Applications

Tested Power and Pulling Capacity: Nebraska Tractor Test 1803 recorded a maximum PTO output of 63.3 hp and a maximum drawbar pull of 7,235 lbs while consuming 4.3 gallons of fuel per hour at maximum power.

Hydraulic and Hitch Configuration: The rear Category II/I hitch utilizes position control and top-link draft sensing, providing a tested lift capacity of 2,760 pounds at 24 inches behind the lift points.

Chassis and Dimensions: The tractor features an adjustable front tread ranging from 55.9 to 71.7 inches on 2WD models and an operating weight that reaches up to 8,580 pounds when ballasted with front and rear iron weights.

Production

Description	Utility tractor / Built in Japan
Manufacturer	Kubota

Engine

Cab Fuel tank	25.1 gal (95.0 L)
Engine type	Kubota 3.3L 4-cyl diesel
ROPS Fuel tank	17.2 gal (65.1 L)
Air cleaner	dual dry element
Bore/Stroke	3.86x4.33 inches (98 x 110 mm)
Compression	22.6:1
Coolant capacity	9 qts (8.5 L)
Description	Kubota V3300 / diesel / 4-cylinder / liquid-cooled
Displacement	202 ci (3.3 L)
Power	70.9 hp (52.9 kW)
Rated RPM	2600
Starter volts	12
Drawbar (tested)	57 hp (42.5 kW)
PTO (claimed)	62 hp (46.2 kW)
PTO (tested)	63.3 hp (47.2 kW)

Transmission

Clutch	274.3mm cerametallic dry disc / hydraulic wet disc
Description	Four synchronized gears in two range with synchronized shuttle. / Four synchronized gears in two range with hydraulic shuttle.
Gears	8 forward and reverse / 8 forward and reverse
Type	synchronized shuttle / power shuttle
Transmission type	8-speed synchronized shuttle / 8-speed power shuttle
Transmission type	8-speed synchronized shuttle / 8-speed power shuttle

Mechanical

Cab	Two-post folding ROPS. Cab optional with air-conditioning.
Description	Power steering
Differential lock	mechanical rear
Drive type	Two- or four-wheel drive

Hydraulics

Pump flow	11 gpm (41.6 lpm)
Type	open center
Valves	1

Hitch

Control	position control and top-link draft sensing
Rear Arms	telescopic stabilizers and link ends
Rear lift (at 24"/610mm)	3310 lbs*Advertised. Actual tested lift capacity was 2,760 pounds. (1501 kg)
Rear Type	II/I

PTO

Clutch	hydraulic wet disc
Engine RPM	540@2300
Rear PTO	independent
Rear PTO Type	540

Electrical

Battery volts	12
Cab Charging amps	60
Charging system	alternator
Ground	negative
ROPS Charging amps	45

Dimensions & Tires

2WD Front tread	55.9 to 71.7 inches (141 to 182 cm)
2WD Length	139 inches (353 cm)
4WD Front tread	55.9 to 59.8 inches (141 to 151 cm)
4WD Length	134.6 inches (341 cm)
Cab Wheelbase	83.7 inches (212 cm)
Height (cab)	98.4 inches (249 cm)
Height (ROPS)	96.5 inches (245 cm)
Rear tread	55.9 to 67.7 inches (141 to 171 cm)
ROPS Wheelbase	80.7 inches (204 cm)
Width	73.2 inches (185 cm)
Cab Wheelbase	83.7 inches (212 cm)
Rear tire	7.50-16
ROPS Wheelbase	80.7 inches (204 cm)
Weight	5055 to 5712 pounds
Ag rear	7.50-16

Kubota M6800 Weight

2WD Cab Shipping	5579 lbs (2530 kg)
2WD ROPS Shipping	5055 lbs (2292 kg)
4WD Cab Shipping	5712 lbs (2590 kg)
4WD ROPS Operating	5375 lbs (2438 kg)
4WD ROPS Shipping	5185 lbs (2351 kg)
Ballasted	8580 lbs*Four-wheel drive ROPS with 990 pounds of front iron weights and 2050 pounds of rear iron weights. (3891 kg)

Kubota M6800 attachments

Description	front-end loader

OCED Tractor Test 1803

Description	Diesel 8-speed 4WDLink: OCED Tractor Test 1803 file / PTO performance / Drawbar performance
Fuel use	4.1 gal/hour (15.5 l/hour) / 4.2 gal/hour (15.9 l/hour) / 4.0 gal/hour (15.1 l/hour) / 4.3 gal/hour (16.3 l/hour)
Max power	63.3 hp (47.2 kW) / 57 hp (42.5 kW)
Max pull	7235 lbs (3281 kg)
Power at rated engine speed	62.1 hp (46.3 kW)
Power at rated PTO speed	62.9 hp (46.9 kW)

References

Description	1999 Products published by Kubota / Americans on Kubota published in 2000 / Diesel Tractor M4900/M5700/M6800/M8200/M9000 published in 2003, by Kubota / Product Guide: New M-Series Utility/Agricultural Tractors published in 1997, by Kubota / Product Guide: M-Series Utility/Agricultural Tractors published in 1998, by Kubota

Variants

M6800DT	4WD
M6800F	2WD

Nebraska Tractor Test Results

Test #501

Download PDF

Test Date: October, 1998

Location: Institute of Agricultural Machinery, Bio-oriented Technology Research Advancement Institution (IAM-Brain) Omiya, Japan

This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.

PTO Drawbar Hydraulics Technical Sound Tires & Weight

Maximum Power & Fuel Consumption

Rated Engine Speed

62.10 hp

0.47 lb/hp·hr

Standard PTO Speed

62.90 hp

@ N/A rpm PTO

Torque Statistics

Maximum Torque	165 lb-ft (224 Nm)
Torque Rise	31.5%
At Engine RPM	1400 rpm

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	PTO RPM
Rated Engine Speed	62.10	46.30	2600	612

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
62.10	2600	4.16	0.47	14.92	N/A
54.00	2661	3.67	0.48	14.72	N/A
41.00	2689	2.98	0.51	13.76	N/A
27.50	2707	2.36	0.60	11.67	N/A
13.90	2729	1.80	0.90	7.75	N/A
N/A	2750	1.28	N/A	N/A	N/A

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	kW	Pull (lbs)	Pull (kN)	Speed	Slip	Air °F	Air °C	Cool °F	Cool °C
75% of Pull at Maximum Power—Five Hours ...	45.80	34.10	3,335	15	5.15	3.40	81	27	180	82

Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	hp·hr/gal	lb/hp·hr	Air °F	Air °C	Cool °F	Cool °C	Barometer Inch Hg	Barometer Kpa	Kg Kw H	Kw H L	Speed Km H
2nd (L2) Gear	38.40	28.60	7,235	32.18	1.99	2653	15.10	11.52	0.61	73	23	180	82	30.00	101.70	0.37	2.27	3.20
3rd (L3) Gear	54.00	40.20	6,650	29.59	3.04	2533	11.40	12.73	0.55	75	24	181	83	30.10	101.80	0.34	2.51	4.90
4th (L4) Gear	57.00	42.50	4,445	19.78	4.81	2534	5.90	13.15	0.53	64	18	183	84	30.00	101.70	0.32	2.59	7.74
5th (H1) Gear	55.00	41.00	3,730	16.60	5.53	2437	4.30	13.20	0.53	68	20	183	84	30.00	101.70	0.32	2.60	8.89
6th (H2) Gear	54.60	40.70	2,615	11.63	7.83	2534	2.90	12.84	0.55	70	21	178	81	30.00	101.70	0.33	2.53	12.60

Engine

Make	Kubota Diesel
Type	four cylinder vertical
Displacement	202 cu in (3318 ml)
Compression Ratio	22.6 to 1
Rated Engine Speed	2600 rpm
Air Cleaner	two paper elements
Exhaust	vertical
Crankshaft	lengthwise

Chassis

Type	front wheel assist
Steering	hydrostatic
Transmission	selective gear fixed ratio
Speeds	8 forward (18.53 mph max)
Brakes	multiple wet disc operated by two foot pedals which can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	5,375 lbs ( 2,437 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	N/A

Tires & Tracks

Rear Tires	16.9-30
Front Tires	9.5-24

Static Weight

Rear	5,350 lbs
Front	3,230 lbs
Total	8,580 lbs

Kubota M6800 Specs ( 1997-2005 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

Kubota M6800 Weight

Kubota M6800 attachments

OCED Tractor Test 1803

References

Variants

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Maximum Power & Fuel Consumption Details

Varying Power & Fuel Consumption

Drawbar Performance

Fuel Consumption Characteristics

Maximum Power In Selected Gears

Hydraulic Performance

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks