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Kubota V3300 Engine

General Technical Data

Kubota V3300 Engine Specifications

Engine Model .............. Kubota V3300
Engine Type .............. 4-Stroke, vertical, water-cooled diesel
Number of Cylinders .............. 4
Total displacement, cc (cu.in) .............. 3318 (202.53)
Engine Bore, mm (in) .............. 98.0 (3.86)
Engine Stroke, mm (in) .............. 110.0 (4.33)
Rated Engine Power, hp (kW) .............. 73.0 (54.5)
Rated Engine Speed, rpm .............. 2600
Maximum Engine Speed, rpm .............. 2800
Idle Speed, rpm .............. 700-750
Compression Ratio .............. 22.6:1
Firing Order .............. 1-3-4-2
Lubrication System .............. Forced lubrication by trochoid pump
Oil Filter Type .............. Full Flow Paper

Fuel System

Fuel Injection Pump .............. Bosch Type Mini
Injection Nozzle .............. Bosch Throttle Type
Governor Type .............. Mechanical
Injection Pressure, MPa (psi) .............. 13.73 (1990)
Injection Timing, rad (deg) .............. 0.21 (12) after T.D.C.

Electrical System

Electrical System Rating, Volts .............. 12
Starter Type .............. Electric
Starting Motor .............. 12V, 2.5kW
Charging Alternator .............. 12V, 540W
Battery Rating .............. 12V, 112AH

Dimensions

Length, mm (in) .............. 786 (31.0)
Width, mm (in) .............. 564 (22.2)
Height, mm (in) .............. 745 (29.3)
Dry Weight, kg (lbs) .............. 241 (530)

Kubota V3300 Maintenance Data

Cylinder Block and Valves

Cylinder Bore I.D. (Maximum), mm (in) .............. 98.15 (3.8642)
Cylinder Head (Maximum Out of Flatness), mm (in) .............. 0.05 (0.002)
Compression Pressure, Mpa (psi) .............. 4.32 (626)
Intake Valve Clearance, mm (in) .............. 0.23-0.27 (0.0091-0.0106)
Exhaust Valve Clearance, mm (in) .............. 0.23-0.27 (0.0091-0.0106)

Engine Oil and Filter

Engine Oil Type .............. SAE20, SAE30, 10W-30, 10W-40
Oil Classification .............. API CF, CF-4, or CG-4
Oil Capacity, L (qts) .............. 13.2 (14.0)
Oil Filter Part Number .............. HH1C0-32430

Service Intervals

Service Air Filter Element .............. Every 250 hours
Service Fuel Filter .............. Every 250 hours
Change Engine Oil .............. Every 250 hours
Change Oil Filter Cartridge .............. Every 500 hours
Replace Fuel Filter Cartridge .............. Every 500 hours
Replace Fan Belt .............. Every 500 hours
Check and Adjust Valve Clearance .............. Every 1000 hours
Replace Air Filter Element .............. Annually
Check Fuel Injection Pump .............. Every 3000 hours

Kubota V3300 Service Specifications

Cylinder Block

Cylinder Bore I.D (Standard) .............. 98.000-98.022 mm (3.8582-3.8591 in.)
Cylinder Bore I.D (Wear Limit) .............. 98.15 mm (3.8642 in.)
Cylinder Bore Oversize I.D (Standard) .............. 98.500-98.522 mm (3.8780-3.8788 in.)
Cylinder Bore Oversize I.D (Wear Limit) .............. 98.65 mm (3.8839 in.)
Rocker Arm Shaft-Rocker Arm Clearance .............. 0.016-0.045 mm (0.00063-0.0017 in.)
Rocker Arm Shaft O.D .............. 15.973-15.984 mm (0.6289-0.6293 in.)
Rocker Arm I.D .............. 16.000-16.018 mm (0.6299-0.6306 in.)
Tappet to Tappet Guide Clearance .............. 0.020-0.062 mm (0.0008-0.0024 in.)
Tappet O.D .............. 23.959-23.980 mm (0.9433-0.9441 in.)
Tappet Guide Bore I.D .............. 24.000-24.021 mm (0.9449-0.9457 in.)
Connecting Rod Alignment .............. 0.05 mm (0.002 in.)

Cylinder Head and Valves

Cylinder Head Surface Flatness .............. 0.05 mm (0.002 in.)
Valve Clearance (Cold) .............. 0.23-0.27 mm (0.0091-0.0106 in.)
Top Clearance .............. 0.72-0.90 mm (0.0283-0.0354 in.)
Intake Valve Stem to Valve Guide Clearance .............. 0.055-0.085 mm (0.0022-0.0033 in.)
Exhaust Valve Stem to Valve Guide Clearance .............. 0.040-0.070 mm (0.0016-0.0028 in.)
Intake Valve Stem O.D .............. 6.960-6.975 mm (0.2740-0.2764 in.)
Exhaust Valve Stem O.D .............. 7.960-7.975 mm (0.3134-0.3140 in.)
Intake Valve Guide I.D .............. 7.030-7.045 mm (0.2768-0.2773 in.)
Exhaust Valve Guide I.D .............. 8.015-8.030 mm (0.3155-0.3161 in.)
Intake Valve Face Angle .............. 1.047 rad (60 deg)
Exhaust Valve Face Angle .............. 0.785 rad (45 deg)
Intake Valve Seat Angle .............. 1.047 rad (60 deg)
Exhaust Valve Seat Angle .............. 0.785 rad (45 deg)
Valve Seat Width (Intake and Exhaust) .............. 2.12 mm (0.0835 in.)
Intake Valve Timing (Open) .............. 0.24 rad (14 deg) before T.D.C.
Intake Valve Timing (Close) .............. 0.61 rad (36 deg) after B.D.C.
Exhaust Valve Timing (Open) .............. 0.79 rad (45 deg) before B.D.C.
Exhaust Valve Timing (Close) .............. 0.29 rad (17 deg) after T.D.C.
Intake Valve Spring Free Length .............. 35.1-35.6 mm (1.3819-1.4016 in.)
Exhaust Valve Spring Free Length .............. 41.7-42.2 mm (1.6417-1.6614 in.)

Piston and Piston Rings

Piston Pin Bore I.D (Standard) .............. 30.000-30.013 mm (1.1811-1.1816 in.)
Piston Pin Bore I.D (Wear Limit) .............. 30.05 mm (1.1831 in.)
Piston Pin to Small End Bushing Clearance .............. 0.020-0.040 mm (0.00079-0.0015 in.)
Piston Pin O.D .............. 30.006-30.011 mm (1.1813-1.1815 in.)
Small End Bushing I.D .............. 30.031-30.046 mm 1.1823-1.1829 in.
Top Ring Gap .............. 0.30-0.45 mm (0.012-0.017 in.)
Second Ring Gap .............. 0.30-0.45 mm (0.012-0.017 in.)
Oil Ring Gap .............. 0.25-0.45 mm (0.0099-0.017 in.)
Second Ring Groove Clearance .............. 0.093-0.120 mm (0.0037-0.0047 in.)
Oil Ring Groove Clearance 0.020-0.060 mm (0.00079-0.0023 in.)

Crankshaft

Crankshaft Side Clearance .............. 0.15-0.31 mm (0.0059-0.0122 in.)
Crankshaft Alignment .............. 0.02 mm (0.0008 in.)
Crank Pin to Crank Pin Bearing Clearance .............. 0.018-0.051 mm (0.0007-0.0020 in.)
Crank Pin O.D .............. 52.977-52.990 mm (2.0857-2.0862 in.)
Crankshaft Journal to Crankshaft Bearing Clearance .............. 0.018-0.062 mm (0.0007-0.0024 in.)
Crankshaft Journal O.D .............. 74.977-74.990 mm (2.9518-2.9524 in.)

Camshaft

Camshaft Side Clearance .............. 0.07-0.22 mm (0.0028-0.0087 in.)
Camshaf Alignment .............. 0.01 mm (0.0004 in.)
Cam Height (Intake) .............. 37.13-37.63 mm (1.4815-1.4618 in.)
Cam Height (Exhaust) .............. 38.46-38.96 mm (1.5338-1.5141 in.)
Camshaft Oil Clearance .............. 0.050-0.091 mm (0.0020-0.0035 in.)
Camshaft Journal O.D .............. 45.934-45.950 mm (1.8084-1.8091 in.)
Camshaft Bearing I.D .............. 46.000-46.025 mm (1.8110-1.8120 in.)

Kubota V3300 Tightening Torque Specs

Cylinder head cover screw, Nm (lb-ft) .............. 6.9-11.3 (5.1-8.32)
Cylinder head screw (M12x1.25), Nm (lb-ft) .............. 98.1-107.9 (72.3-79.6)
Connecting rod screw (M10x1.25), Nm (lb-ft) .............. 78.5-83.4 (57.9-61.5)
Flywheel screw (M12x1.25), Nm (lb-ft) .............. 98.1-107.9 (72.3-79.6)
Crankshaft screw (M16x1.5), Nm (lb-ft) .............. 255.0-274.6 (188.1-202.5)
Main bearing case screw (M14x1.5), Nm (lb-ft) .............. 137.3-147.1 (101.3-108.5)
Rocker arm bracket screw (M10x1.25), Nm (lb-ft) .............. 49.0-55.9 (36.2-41.2)
Nozzle holder assembly (M20x1.5), Nm (lb-ft) .............. 49.0-68.6 (36.2-50.6)
Injection pipe retaining nut (M12x1.5), Nm (lb-ft) .............. 22.6-36.3 (16.6-26,8)
Oil pump cover screw, Nm (lb-ft) .............. 7.9-9.3 (5.8-6,9)
Injection pump unit mounting nut (M8x1.25), Nm (lb-ft) .............. 17.7-20.6 (13.0-15.2)
Idle gear mounting screw (M8x1.25), Nm (lb-ft) .............. 23.5-27.5 (17.4-20.3)
Camshaft set screw (M8x1.25), Nm (lb-ft) .............. 23.5-27.5 (17.4-20.3)
Flywheel housing mounting screw (M12x1.25), Nm (lb-ft) .............. 77.5-90.2 (57.1-66.5)
Governor housing mounting screw (M6x1.0), Nm (lb-ft) .............. 9.8-11.3 (7.23-8.32)

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