Kubota L2501 Overview
Kubota introduced the L2501 in October 2014 as a lower-horsepower Standard L compact tractor. North American versions pair the 1.647 L D1703 three-cylinder diesel with an F manual 2WD, DT manual 4WD, or HST 4WD chassis.
Configuration matters on this model. The manual tractors are rated at 20.5 PTO hp and use an 8-forward/4-reverse gear transmission, while the three-range HST is rated at 19.0 PTO hp. Transmission capacity, length, ground clearance, weight, and PTO engine speed also change by version.
The specifications and service intervals below come from Kubota's detailed specification sheet and full operator and workshop manuals. The L2502 announced in February 2023 is a later model and its figures should not be substituted for the L2501.
Kubota L2501 Quick Answers
- Production yearsKubota introduced the L2501 in October 2014. The model generation covered here runs from 2014 through 2022; Kubota announced the later L2502 in February 2023.
- Engine and horsepowerThe L2501 uses Kubota's D1703-M-DI-E4 three-cylinder 1.647 L diesel, rated at 24.8 gross hp, 23.9 net hp, and 70.2 lb-ft maximum torque at a 2,200-rpm rated speed.
- Manual versus HST PTO powerKubota rates the F/DT manual tractors at 20.5 PTO hp and the HST at 19.0 PTO hp. The manual reaches 540 PTO rpm at 1,910 engine rpm; the HST uses 2,105 engine rpm.
- Transmission choicesF and DT tractors use an 8-forward/4-reverse gear transmission with a dry single-stage clutch. The 4WD HST has low, medium, and high hydrostatic ranges.
- Engine oil, coolant, and fuel capacitiesThe full operator manual lists 6.0 US qt of engine oil with filter, 6.3 US qt of coolant, and a 10.0 US gal fuel tank.
- Transmission and front-axle capacitiesTransmission capacity is 7.1 US gal for manual 2WD, 7.3 US gal for manual 4WD, and 6.2 US gal for HST 4WD. The 4WD front axle holds 4.8 US qt.
- Hydraulics and three-point hitchThe open-center system provides 5.15 US gpm to the implement circuit and 3.13 US gpm to power steering at 2,205 psi. The Category I hitch lifts 1,918 lb at the points or 1,389 lb at 24 inches behind.
- Weight by configurationKubota lists 2,425 lb for the F manual 2WD, 2,601 lb for the DT manual 4WD, and 2,623 lb for the HST 4WD, all with ROPS.
- Main service intervalsThe operator manual calls for engine oil and filter, hydraulic filters, and transmission fluid at 400 hours; 4WD front-axle oil and valve-clearance service are listed at 800 hours.
- Which identification numbers matter?Record the tractor, engine, and ROPS serial numbers plus the hour-meter reading before ordering parts or requesting service. The reviewed text does not support a serial-year decoding table.
Engine and Power
Kubota's D1703-M-DI-E4 is a naturally aspirated, three-cylinder 1.647 L diesel rated at 2,200 rpm. The detailed specification sheet and workshop manual identify indirect injection; the conflicting one-line operator-table wording is not used as the preferred fact.
Kubota D1703-M-DI-E4 diesel
three-cylinder liquid-cooled diesel / naturally aspirated / Tier 4
| Model | Kubota D1703-M-DI-E4 |
|---|---|
| Type | vertical, liquid-cooled four-cycle diesel |
| Cylinders | 3 |
| Displacement | 100.47 cu in / 1.647 L |
| Bore Stroke | 3.40 x 3.60 in / 87 x 92.4 mm |
| Emissions | Tier 4 |
| Power Gross | 24.8 hp / 18.5 kW at 2,200 rpm |
| Power Net | 23.9 hp / 17.8 kW at 2,200 rpm |
| Maximum Torque | 70.2 lb-ft / 95.2 Nm |
| Fuel System | indirect mechanical injection |
| Rated Rpm | 2,200 rpm |
| Low Idle | 1,050-1,150 rpm |
| Air Cleaner | dry paper single element; dual element optional |
| Cold Start | glow plugs |
| Lubrication | forced lubrication by trochoidal pump |
| Starter | 12 V electric starter |
| Starter Volts | 12 V |
Manufacturer
Manufacture years
Transmission
The L2501F is manual 2WD, the L2501DT is manual 4WD, and the L2501HST is hydrostatic 4WD. The groups below keep their PTO rating, capacities, dimensions, weights, tires, turning radius, and travel speeds attached to the correct chassis.
L2501F manual 2WD
| Type | gear transmission |
|---|---|
| Gears | 8 forward / 4 reverse |
| Clutch | dry single-stage clutch |
| Pto Power | 20.5 hp / 15.3 kW manufacturer estimate |
| Pto Speed | 540 PTO rpm at 1,910 engine rpm |
| Transmission Capacity | 7.1 US gal / 27.0 L |
| Weight | 2,425 lb / 1,100 kg with ROPS |
| Length | 110.6 in / 2,810 mm without three-point hitch |
| Ground Clearance | 13.6 in / 345 mm |
| Front Tire | 5-15 agricultural |
| Turning Radius | 7.9 ft / 2.4 m with brake |
| Max Forward Speed | 10.7 mph / 17.3 km/h |
L2501HST 4WD
| Type | hydrostatic transmission |
|---|---|
| Gears | three ranges with infinitely variable forward and reverse speed |
| Control | single treadle forward/reverse pedal |
| Pto Power | 19.0 hp / 14.2 kW manufacturer estimate |
| Pto Speed | 540 PTO rpm at 2,105 engine rpm |
| Transmission Capacity | 6.2 US gal / 23.5 L |
| Front Axle Capacity | 4.8 US qt / 4.5 L |
| Weight | 2,623 lb / 1,190 kg with ROPS |
| Length | 106.3 in / 2,700 mm without three-point hitch |
| Ground Clearance | 13.4 in / 340 mm |
| Front Tire | 7.2-16 agricultural; 27 x 8.50-15 industrial optional |
| Turning Radius | 8.2 ft / 2.5 m with brake |
| Max Forward Speed | 11.5 mph / 18.5 km/h |
L2501DT manual 4WD
| Type | gear transmission with bevel-gear 4WD front axle |
|---|---|
| Gears | 8 forward / 4 reverse |
| Clutch | dry single-stage clutch |
| Pto Power | 20.5 hp / 15.3 kW manufacturer estimate |
| Pto Speed | 540 PTO rpm at 1,910 engine rpm |
| Transmission Capacity | 7.3 US gal / 27.5 L |
| Front Axle Capacity | 4.8 US qt / 4.5 L |
| Weight | 2,601 lb / 1,180 kg with ROPS |
| Length | 110.6 in / 2,810 mm without three-point hitch |
| Ground Clearance | 13.4 in / 340 mm |
| Front Tire | 7.2-16 agricultural; 27 x 8.50-15 industrial optional |
| Turning Radius | 8.2 ft / 2.5 m with brake |
| Max Forward Speed | 10.7 mph / 17.3 km/h |
PTO and Hitch
All versions use a 1-3/8-inch SAE six-spline rear shaft at 540 rpm. Manual tractors have a transmission-driven PTO with overrunning clutch; HST tractors use a live-continuous PTO with overrunning clutch.
Rear PTO
Rear PTO type
Rear hitch
Rear lift
Rear lift at 24 inches
Hydraulics
Kubota's operator and detailed specification data list an open-center tandem-pump system: 5.15 US gpm for implements, 3.13 US gpm for steering, and 2,205 psi system pressure. A separate workshop-manual revision lists slightly higher flows, so those figures are held rather than mixed together.
Type
Pressure
Pump flow
Total flow
Fluids, Battery, and Service Facts
The full operator manual provides configuration-specific oil capacities and a complete schedule. Kubota recommends Super UDT-2 for the transmission/hydraulic system, permits regular UDT, and allows Super UDT-2 or SAE 80-90 gear oil in the 4WD front axle.
Fuel tank
Engine oil capacity
Coolant capacity
Battery volts
Battery CCA
Tires and Dimensions
Kubota publishes one width, ROPS height, and wheelbase, while length, ground clearance, weight, front tire, and turning radius vary by F, DT, or HST configuration. The three configuration groups above preserve those differences.
Wheelbase
Weight
Length
Width
Height
Front tire
Rear tire
Electrical
The L2501 uses a 12-volt battery rated at 490 cold-cranking amps and 123 minutes of reserve capacity, a 40-amp alternator, electric key shutoff, and glow plugs for cold starting.
Ground
Charging system
Charging amps
Battery volts
Manuals and Documents
The operator and workshop files below are complete Kubota publications hosted by a manual library, not short previews. The public specification and announcement links come directly from Kubota USA.
The parts lookup is the correct starting point for current diagrams, but no current replacement number is published here without a model- and serial-matched result.
Manufacturer document
- Kubota L2501 Detailed Specifications — Winter 2017engine specifications, transmission details, dimensions and weight
Six-page official North American F/DT/HST specification sheet.
Open source
Operator manual
- Kubota L2501 Operator's Manual TC550-1971-1operation, specifications
Complete 97-page Kubota manual covering identification, operation, specifications, capacities, lubricants, PTO, hydraulics, tires, and maintenance intervals.
Open manual
Service manual
- Kubota L2501 Workshop Manual 9Y121-11210engine specifications, transmission details
Complete 444-page Kubota workshop manual covering specifications and service data across all tractor systems.
Open manual
Reference page
- Kubota USA introduces the L2501reference details
Official October 22, 2014 model-introduction announcement.
Open source - Kubota USA introduces the L2502 successor generationreference details
Official February 15, 2023 L2502 announcement used to separate successor-generation data.
Open source - Kubota USA Parts and Servicereference details
Official current Kubota hub for parts lookup, operator manuals, dealer service, genuine fluids, and maintenance support.
Open source
Parts catalog
- Kubota USA Illustrated Parts Lookupparts matching
Official current parts-search entry point; no unverified replacement number is promoted.
Open parts catalog
Parts Checks Before Ordering
Do not order L2501 parts from the badge alone. Record the tractor, engine, and ROPS serial numbers and identify whether the tractor is F manual 2WD, DT manual 4WD, or HST 4WD.
Confirm the installed tires, PTO, hydraulic options, and attachments in the illustrated parts lookup or full manual. Filter, belt, loader, axle, clutch, and transmission parts should not be inferred from another Standard L model.
Accuracy Note
Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.