Kubota D1105 Specs,Weight, Price & Review ❤️

Kubota D1105 Specs, Weight, Price & Review

Take a look at this From the (official site), I have compiled all you need to know about the Kubota D1105, including its dimensions, pricing, and features, in this page.

Kubota D1105

Kubota D1105 Overview

Kubota’s D1105 small-sized internal combustion diesel engine is a 1.1L (1,123 ccs; 68.5 cu*in) four-stroke natural aspirated three-cylinder, liquid-cooled, internal combustion small diesel engine.

It was designed for general-purpose use. The total displacement of the D1105 engine is 1,123 cc. It has a 78.0 mm (3.07in) bore and a 78.4mm (3.09in) piston stroke.

The compression ratio rating for model D1105 is 22.0:1, and for model D1105B(E), 24.0:1 respectively for D1105B, E3B, and E4B.

Kubota D1105 diesel engine produced 25.4 PS (18.7kW; 25.0HP) at 3,000 RPM of net output power and 68.3N*m (7 kg*m/50.3 ft*lb at 2,000 RPM of peak torque).

Kubota D1105 Features

  • SOHC design
  • Spherical-type (ETVCS) combustion chamber
  • Bosch MD type mini fuel injection pump
  • All-speed mechanical governor
  • Trochoid pump lubrication systems force lubrication
  • Cooling system liquid-cooled
  • Starter 12V for electric starting

Kubota D1105 Price

Price: $15,599.00(APPROX)

Kubota D1105 Weight

Weight: 95 kg (210 lbs)

Kubota D1105 Horsepower

Horsepower: 25.4 PS (18.7 kW; 25.0 HP) at 3,000 rpm

Kubota D1105 Specifications


Engine model D1105
Displacement 1.1 L, 1,123 cm3, (68.5 cu·in)
Max. torque 68.3 N·m (7 kg·m, 50.3 ft·lb) at 2,000 rpm
Lubricating system Forced lubrication by trochoid pump
Fuel nozzle Mini nozzle
Firing order 1-2-3
Starting support device Glow plug in combustion chamber
Charging system Alternator 12V,
Dimensions (L x W X H) 498 x 397 x 609 mm (19.6 x 15.6 x 24 in)
Engine type 4-stroke, SOHC, three-cylinders
Max. horsepower 25.4 PS (18.7 kW; 25.0 HP) at 3,000 rpm
Cooling system Liquid-cooled
Fuel injection pump Bosch MD type mini fuel injection pump
Fuel used Diesel fuel No. 2-D
Starting system Electric starting with 12V starter
Governor All speed mechanical governor
PTO shaft rotation Counterclockwise
Dry weight 95 kg (210 lbs)


Cylinder head

Valve arrangement SOHC, gear drive
Valve head diameter (INTAKE) 33.0 mm (1.3 in)
Valve steam diameter (INTAKE) 6.960-6.975 mm (0.274-0.2746 in)
Valve length (INTAKE) 101.5 mm (3.99 in)
Valve spring free length (INTAKE) 37.0-37.5 mm (1.4567-1.4764 in)
Camshaft lobe height (INTAKE) 28.80 mm (1.1339 in)
Camshaft journal diameter 35.934-35.950 mm (1.4147-1.4154 in)
Valves 2 (6 valves in total)
Valve head diameter (EXHAUST) 27.0 mm (1.06 in)
Valve steam diameter (EXHAUST) 6.960-6.975 mm (0.274-0.2746 in)
Valve length (EXHAUST) 101.5 mm (3.99 in)
Valve spring free length (EXHAUST) 37.0-37.5 mm (1.4567-1.4764 in)
Camshaft lobe height (EXHAUST) 29.00 mm (1.1417 in)

Cylinder block

Compression ratio D1105-B(E): 22.0:1
D1105-E2B, D1105-E3B, D1105-E4B: 24.0:1
Piston stroke 78.4 mm (3.09 in)
Number of piston rings (compression / oil) 2/1
Piston pin diameter 22.002-22.011 mm (0.8662-0.8666 in)
Side clearance (Oil) 0.020-0.055 mm (0.0008-0.0022 in)
Ring end gap (Second) 0.300-0.450 mm (0.0118-0.0177 in)
Crankshaft main journal diameter 1-2: 47.934-47.950 mm (1.8872-1.8878 in)
3: 51.921-51.940 mm (2.0442-2.0448 in)
Crankshaft center distance 36.8 mm (1.45 in)
Cylinder bore 78.0 mm (3.07 in)
Cylinder internal diameter (standard) 78.00-78.019 mm (3.0709-3.0716 in)
Connecting rod small end diameter (standard) 22.025-22.040 mm (0.8671-0.8677 in)
Side clearance (Second) 0.085-0.112 mm (0.0033-0.0044 in)
Ring end gap (Top) 0.300-0.450 mm (0.0118-0.0177 in)
Ring end gap (Oil) 0.250-0.400 mm (0.0098-0.0157 in)
Crankpin journal diameter 39.959-39.975 mm (1.5732-1.5738 in)

Timing Gear

Crank Gear to Idle Gear 1 (backlash) 0.0320-0.115 mm (0.00126-0.00452 in)
Idle Gear 1 to Injection Pump Gear (backlash) 0.0340-0.116 mm (0.00134-0.00456 in)
Idle Gear 2 to Governor Gear (backlash) 0.0300-0.117 mm (0.00119-0.00460 in)
Idle Gear 1 to Cam Gear (backlash) 0.0360-0.114 mm (0.00142-0.00448 in)
Idle Gear 1 to Idle Gear 2 (backlash) 0.0330-0.117 mm (0.00130-0.00460 in)



Cylinder compression D1105-B(E): 2.84 to 3.23 MPa, 29.0 to 33.0 kgf/cm2, 412 to 469 psi
D1105-E2B,-E3B,-E4B: 3.73 to 4.11 MPa, 38.0 to 42.0 kgf/cm2, 541 to 597 psi
Maximum speed 3,000-3,800 rpm (depending on modification)
Idle speed 900 rpm

Oil system

Lubrication system Forced lubrication by trochoid pump
Recommended oil SAE 10W-30, 10W-40
Oil pressure At idle speed: 49 MPa (0.5 kgf/cm2, 7 psi)
At rated speed: 196 to 441 MPa (2.0-4.5 kgf/cm2, 28 to 64 psi)
Oil pressure indicating Electrical type switch
Oil type CF or higher
Oil capacity 101 mm: 4.0 L (4.23 US. qt, 3.52 Imp. qt.)
125 mm: 5.1 L (5.40 US. qt, 4.50 Imp. qt.)
Oil filter Full flow paper filter (Cartridge type)
Oil and oil filter change interval Every 200 hours

Valve clearance

Exhaust valve clearance 0.145-0.185 mm (0.0057-0.0073 in)
Intake valve clearance 0.145-0.185 mm (0.0057-0.0073 in)

Fuel system

Injection nozzle Mini Nozzle (DNOPD)
Injection pressure 13.73 to 14.70 MPa; 140.0 to 150.0 kgf/cm2; 1992 to 2133 psi
Fuel injection pump Bosch MD type mini fuel injection pump
Firing order 1-2-3


Tightening torque specs

Cylinder head cover screw (M7x1.0) 6.9-8.8 Nm (5.1-6.5 lb-ft)
Main bearing case screw 1 (M8x1.25) 29.4-34.3 Nm (21.7-25.3 lb-ft)
Flywheel screw (M10x1.25) 53.9-58.8 Nm (39.8-43.4 lb-ft)
Rocker arm bracket nuts (M7x1.0) 21.6-26.5 Nm (15.9-19.5 lb-ft)
Cylinder head screw (M10x1.25) 63.7-68.6 Nm (47.0-50.6 lb-ft)
Main bearing case screw 2 (M9x1.25) 49.0-53.9 Nm (36.2-39.8 lb-ft)
Connecting rod screw (M8x1.0) 41.2-46.1 Nm (30.4-34.0 lb-ft)


Manufacturer or Brand



Kubota B26, B1241, B2201, B2231, B2350, B2410, B2530, B2601,

B2620, B2630, B7610

Zero-turn mowers

Kubota ZD28, ZD1211

Lawn tractors

Kubota F2400, F2560, F2690

Kubota D1105 Review

The Kubota D1105 is a 3-cylinder, 1.123-liter, liquid-cooled diesel engine capable of generating 21.7 horsepower at 3000 RPM.

It is a widely favored option for numerous uses, such as compact tractors, skid steers, and generators.

For more details check out this YouTube Video

FAQs: Kubota D1105

Q. What is Kubota D1105?

It is an air-cooled vertical four-cycle diesel engine that can produce a maximum of 21.7HP at 3000 RPM. The machine is lightweight, durable, and flexible. Kubota D1105 is an excellent engine for any application where minimal noise and high efficiency are essential.

Q. How many CC is a Kubota d1105 diesel engine?

The Kubota D1105 diesel motor produced as high as 25.4 PS (18.7 kW; 25.0 HP) at 3000 rpm of power and 68.3 N*m (7 kg/m, 50.3 ft*lb) at 2500 revs of torque. The description of the engine code is as the following: D – 3 Cylinders 11 – Approximate displacement 1,100cc.

Q. What kind of fuel injection pump does a d1105 have?

The D1105 engine features a spherical-shaped combustion chamber with a glowing plug, a Bosch MD-type mini fuel injection pump, and a mini injection nozzle. The compression ratio of the engine is 22.0:1 for the earliest model (D1105-B (E)) and 24.0:1 for the more recent models (EPA Tier 2 3, 4).

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