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Kubota V2203 Engine

General Technical Data

Kubota V2203 Engine Specifications

Engine model .......... Kubota V2203
Engine type .......... Vertical, water-cooled, 4-cylinder diesel
Number of cylinders .......... 4
Bore and stroke, mm (in.) .......... 87 x 92.4 (3.43 x 3.64)
Total displacement, L (cu.in.) .......... 2.20 (134.1)
Combustion chamber .......... Spherical Type (E-TVCS)
Gross power, kw (hp) .......... 34.3 (46.0)
Net power, kw (hp) .......... 29.8 (40.0)
Maximum speed, rpm .......... 3000
Iidling speed, rpm .......... 750-850
Firing Order .......... 1-3-4-2
Direction of rotation .......... Counter-clockwise
Compression ratio .......... 22.6
Compression Pressure .......... 2.95-3.23 MPa (427-469 psi)

Fuel System

Injection pump .......... Bosch Type mini pump
Injection pressure .......... 13.73 MPa, 1991 psi
Injection timing (Before T.D.C.) .......... 0.314 rad (18 deg)

Electrical System

Starting system .......... Cell starter (with glow plug)
Starting motor .......... 12V, 1.4 kW
Charging generator .......... 12V, 480W
Battery capacity .......... 12V, 100-120 AH

Dimensions

Length, mm (in.) .......... 667.1 (26.3)
Width, mm (in.) .......... 507.1 (20.0)
Height, mm (in.) .......... 635.0 (25.0)
Dry weight, kg (lbs.) .......... 180 (397)

Kubota V2203 Maintenance Data

Fuel type .......... Diesel Fuel No.2-D
Engine oil type .......... SAE 10W-30 or 15W-40
Engine oil capacity .......... 7.6 L (2.01 gals.)
Coolant capacity .......... 8.1 L (2.14 gals.)
Oil filter change interval .......... Every 150 hours
Fuel filter change interval .......... Every 300 hours
Fan belt tension (Deflection) .......... 7-9 mm (0.28-0.35 in.)

Kubota V2203 Service Specifications

Cylinder Block

Cylinder Bore (Oversize) I.D. .......... 87.250-87.272 mm (3.4351-3.4359 in.)
Cylinder Maximum I.D. to Cylinder Minimum I.D. (Difference) .......... 0.15 mm (0.0059 in.)
Cylinder Block Bore I.D. .......... 40.000-40.025 mm (1.5748-1.5757 in.)
Cam Height (Intake) .......... 33.47 mm (1.318 in.)
Cam Height (Exhaust) .......... 33.00 mm (1.299 in.)
Piston Pin Bore I.D. .......... 25.000-25.013 mm 0.98426-(0.98476 in.)
Top Ring to Ring Groove Clearance .......... 0.050-0.090 mm (0.0020-0.0035 in.)
Top Ring (Ring Gap) .......... 0.20-0.35 mm (0.0079-0.013 in.)
Piston Pin O.D. .......... 25.004-25.011 mm (0.98441-0.98468 in.)
Second Ring to Ring Groove Clearance .......... 0.0780-0.110 mm (0.00307-0.00433 in.)
Oil Ring to Ring Groove Clearance .......... 0.030-0.070 mm (0.0012-0.0027 in.)
Connecting Rod Alignment .......... 0.05 mm (0.002 in.)
Piston Pin to Small End Bushing, Oil Clearance .......... 0.014-0.036 mm (0.00056-0.0014 in.)
Balancer Shaft Side Clearance .......... 0.070-0.22 mm (0.0028-0.0086 in.)
Balancer Shaft Journal 1 to Balancer Shaft Bearing 1, Clearance .......... 0.030-0.111 mm (0.00119-0.00437 in.)
Balancer Shaft Journal 2 to Balancer Shaft Bearing 2, Clearance .......... 0.030-0.111 mm (0.00119-0.00437 in.)
Balancer Shaft Journal 3 to Balancer Shaft Bearing 3, Clearance .......... 0.020-0.094 mm (0.00079-0.0037 in.)
Idle Gear to Balancer Gear, Backlash (Intake side) .......... 0.0350-0.116 mm (0.00138-0.00456 in.)

Cylinder Head

Valve Clearance (When Cold) .......... 0.18-0.22 mm (0.0071-0.0086 in.)
Top Clearance .......... 0.60-0.70 mm (0.024-0.027 in.)
Cylinder Head Surface Flatness .......... 0.05 mm / 500 mm (0.002 in. / 19.7 in.)
Valve Recessing Recessing .......... 0.65-0.85 mm (0.026-0.033 in.)
Valve Stem to Valve Guide Clearance .......... 0.040-0.070 mm (0.0016-0.0027 in.)
Valve Spring (Setting Load / Setting Length) .......... 118 N / 35.0 mm (26.5 lbf / 1.38 in.)
Valve Spring Tilt .......... 1.0 mm (0.039 in.)
Valve Seat Width (Intake/Exhaust) .......... 2.12 mm (0.0835 in.)
Valve Seat Angle (Intake/Exhaust) .......... 0.79 rad (45 deg)
Tappet to Tappet Guide Oil Clearance .......... 0.020-0.062 mm (0.00079-0.0024 in.)
Tappet .......... O.D. 23.959-23.980 mm (0.94327-0.94409 in.)
Tappet Guide I.D. .......... 24.000-24.021 mm (0.94489-0.94570 in.)

Tightening Torque Specs

Cylinder head mounting screw (M11x1.25), Nm (lb-ft) .......... 93.2-98.0 (68.8-72.3)
Camshaft set screw (M8x1.25), Nm (lb-ft) .......... 24-27 (18-20)
Cylinder head cover screw (M6x1.0), Nm (lb-ft) .......... 6.86-11.3 (5.06-8.33)
Supply pump mounting nut (M8x1.25), Nm (lb-ft) .......... 24-27 (18-20)
Common rail mounting screw (M8x1.25), Nm (lb-ft) .......... 24-27 (18-20)
Coolant temperature sensor taper screw, Nm (lb-ft) .......... 16-23 (12-17)
Injection pipe retaining nut (M12x1.5), Nm (lb-ft) .......... 24.5-29.4 (18.1-21.6)
Oil pressure switch screw (R1/8), Nm (lb-ft) .......... 15-19 (11-14)
Camshaft position sensor mounting screw, Nm (lb-ft) .......... 4-5 (3-4)
Crankshaft position sensor mounting screw, Nm (lb-ft) .......... 4-5 (3-4)
Rocker arm bracket screw (M8x1.25), Nm (lb-ft) .......... 24-27 (18-20)

KUBOTA TRACTORS TROUBLESHOOTING
L235	L2501	L2550	L275	L3110
L3301	L35	L3710	L3901	L4310
L5030	M4700	M5700	M6040	M6800
M8200	M8540	M9000	MX5100	MX5200