Kubota V3307-DI-T Specifications
| Engine Model: Kubota V3307-DI-T |
| Engine Type: 4-cycle vertical 4-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 203.3 cu.in (3.33 L) |
| Rated Engine Power: 72 Hp (53.7 kW) at 2820 rpm |
| Aspiration Type: Turbocharged |
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Engine model ............... Kubota V3307-DI-T
Engine type ............... 4-stroke vertical direct injection turbocharged diesel
Number of cylinders ............... 4
Total displacement, L (cu.in) ............... 3.33 (203.3)
Cylinder Bore, mm (in) ............... 94.0 (3.70)
Piston Stroke, mm (in) ............... 120.0 (4.72)
Gross power, kW (Hp) ............... 55.4 (74.3)
Net power, kW (Hp) ............... 53.7 (72.0)
Maximum speed, rpm ............... 2820
Idle speed, rpm ............... 775-825
Aspiration type ............... Turbocharged
Firing order ............... 1-3-4-2
Compression ratio ............... 20:1
Combustion chamber ............... Reentrant type
Direction of rotation ............... Counter-clockwise
Lubrication system ............... Forced lubrication by trochoid pump
Oil filter type ............... Full flow paper filter (cartridge)
Cooling system ............... Pressurized radiator, forced circulation with water pump
Engine oil capacity, L (qts) ............... 11.2 (11.9)
Starting system ............... Electric starting with starter
Electrical system rating, Volts ............... 12
Fuel system ............... Direct injection
Injection pump ............... Bosch PFR4KZ
Injection nozzle ............... Bosch P type
Governor type ............... Mechanical
Overall Length, mm (in) ............... 674 (26.6)
Overall Width, mm (in) ............... 506 (19.9)
Overall Height, mm (in) ............... 739 (29.1)
Dry Weight, kg (lbs) ............... 275 (606)
Cylinder Bore I.D (Standard) ............... 94.000-94.022 mm (3.7008-3.7016 in)
Cylinder Bore I.D (Wear Limit) ............... 94.15 mm (3.707 in)
Cylinder Bore Oversize I.D (Standard) ............... 94.500-94.522 mm (3.7205-3.7213 in)
Cylinder Bore Oversize I.D (Wear Limit) ............... 94.65 mm (3.726 in)
Crankshaft Side Clearance ............... 0.15-0.35 mm (0.0059-0.013 in)
Crankshaft Alignment ............... 0.02 mm (0.0008 in)
Crank Pin to Crank Pin Bearing Clearance ............... 0.017-0.048 mm (0.00067-0.0018 in)
Crank Pin O.D ............... 49.980-49.991 mm (1.9678-1.9681 in)
Crankshaft Journal to Bearing Clearance ............... 0.030-0.073 mm (0.0012-0.0028 in)
Crankshaft Journal O.D ............... 79.977-79.990 mm (3.1487-3.1492 in)
Connecting Rod Alignment ............... 0.05 mm (0.002 in)
Connecting Rod Small End Bushing I.D ............... 28.031-28.046 mm (1.1036-1.1041 in)
Cylinder Head Surface Flatness ............... 0.05 mm (0.002 in)
Valve Clearance (Cold) ............... 0.13-0.17 mm (0.0052-0.0068 in)
Top Clearance ............... 0.60-0.80 mm (0.024-0.031 in)
Valve Recessing ............... 0.65-0.85 mm (0.026-0.033 in)
Valve Stem to Valve Guide Clearance ............... 0.055-0.085 mm (0.0022-0.0033 in)
Valve Stem O.D ............... 6.960-6.975 mm (0.2741-0.2746 in)
Valve Guide I.D ............... 7.030-7.045 mm (0.2768-0.2773 in)
Valve Face Angle ............... 0.79 rad (45 deg)
Valve Seat Angle ............... 0.79 rad (45 deg)
Intake Valve Seat Width ............... 3.3-3.6 mm (0.13-0.14 in)
Exhaust Valve Seat Width ............... 3.3-3.6 mm (0.13-0.14 in)
Intake Valve Timing (Open) ............... 0.24 rad (14 deg) before T.D.C.
Intake Valve Timing (Close) ............... 0.70 rad (40 deg) after B.D.C.
Exhaust Valve Timing (Open) ............... 0.87 rad (50 deg) before B.D.C.
Exhaust Valve Timing (Close) ............... 0.24 rad (14 deg) after T.D.C.
Valve Spring Free Length (Standard) ............... 35.1-35.6 mm (1.39-1.40 in)
Valve Spring Free Length (Wear Limit) ............... 34.6 mm (1.36 in)
Rocker Arm Shaft to Rocker Arm Clearance ............... 0.016-0.045 mm (0.00063-0.0017 in)
Rocker Arm Shaft O.D ............... 14.973-14.984 mm (0.58949-0.58992 in)
Rocker Arm I.D ............... 15.000-15.018 mm (0.59056-0.59125 in)
Camshaft Side Clearance ............... 0.10 mm (0.0039 in)
Camshaf Alignment ............... 0.01 mm (0.0004 in)
Camshaft Oil Clearance ............... 0.050-0.091 mm (0.0020-0.0035 in)
Camshaft Journal 1 O.D ............... 34.934-34.950 mm (1.3754-1.3759 in)
Camshaft Journal 2 O.D ............... 43.934-43.950 mm (1.7297-1.7303 in)
Cam Height (Intake) ............... 37.50-37.00 mm (1.476-1.457 in)
Cam Height (Exhaust) ............... 37.90-37.40 mm (1.492-1.472 in)
Piston Pin Bore I.D (Standard) ............... 28.000-28.013 mm (1.1024-1.1028 in)
Piston Pin Bore I.D (Wear Limit) ............... 28.05 mm (1.104 in)
Piston Pin to Small End Bushing Clearance ............... 0.020-0.040 mm (0.00079-0.0015 in)
Piston Pin O.D ............... 28.006-28.011 mm (1.1026-1.1027 in)
Top Ring Gap ............... 0.25-0.40 mm (0.0099-0.015 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)
Top Ring Groove Clearance ............... 0.050-0.090 mm (0.0020-0.0035 in)
Second Ring Groove Clearance ............... 0.090-0.12 mm (0.0035-0.0047 in)
Oil Ring Groove Clearance 0.020-0.060 mm (0.00079-0.0023 in)
Cylinder bore inside diameter, mm (in) ............... 94.000-94.022 (3.7008-3.7016)
Cylinder compression, kPa (psi) ............... 2900-3920 (421-569)
Cylinder head (max out of flatness), mm (in) ............... 0.05 (0.002)
Intake valve clearance (Cold), mm (in) ............... 0.13-0.17 (0.0052-0.0068)
Exhaust valve clearance (Cold), mm (in) ............... 0.13-0.17 (0.0052-0.0068)
Engine oil pressure (Idle Speed), kPa (psi) ............... 49 (7)
Engine oil pressure (Rated Speed), kPa (psi) ............... 197-392 (29-57)
Injection pressure, kPa (psi) ............... 18630-22560 (2700-3270)
Injection timing, deg (rad) ............... 1.3 (0.023) after T.D.C.
Engine oil type ............... SAE 10W-30, 15W-40
Oil classification (API service) ............... CF, CF-4, CG-4, CH-4, or CI-4
Engine oil capacity, L (qts) ............... 11.2 (11.9)
Oil filter part number ............... HH1C0-32430
Fuel filter part number ............... HH1G0-43560, 1G311-43380
Air filter part number ............... 59800-26110, 3A111-19130
Check Fuel Pipes ............... Every 100 hours
Service Air Filter ............... Every 250 hours
Clean Fuel Filter ............... Every 250 hours
Check Battery ............... Every 250 hours
Check Belt Tension ............... Every 250 hours
Change Engine Oil ............... Every 500 hours
Replace Oil Filter ............... Every 500 hours
Replace Fuel Filter ............... Every 500 hours
Clean Radiator Fins ............... Every 500 hours
Replace Fan Belt ............... Every 500 hours
Check Valve Clearance ............... Every 1000 hours
Replace Air Filter ............... Every 1000 hours
Check Injection Nozzles ............... Every 2000 hours
Check Fuel Injection Pump ............... Every 3000 hours
Change Engine Coolant ............... Every 3000 hours
Cylinder head mounting screw (M14x1.5), Nm (lb-ft) ............... 187-196 (138-144)
Cylinder head cover screw (M6x1.0), Nm (lb-ft) ............... 9.81-11.2 (7.24-8.31)
Rocker arm bracket screw (M10x1.25), Nm (lb-ft) ............... 49-55 (37-41)
Camshaft set screw (M8x1.25), Nm (lb-ft) ............... 24-27 (18-20)
Connecting rod screw (M9x1.0), Nm (lb-ft) ............... 69-73 (51-54)
Crankshaft screw (M16x1.5), Nm (lb-ft) ............... 255-274 (188-202)
Flywheel housing mounting screw (M12x1.25), Nm (lb-ft) ............... 103-117 (76.0-86.7)
Flywheel screw (M12x1.25), Nm (lb-ft) ............... 98.1-107 (72.4-79.5)
Injection pump gear mounting nut (M16x1.5), Nm (lb-ft) ............... 138-158 (102-115)
Oil cooler joint screw (M20x1.5), Nm (lb-ft) ............... 40-44 (29-32)
Front cover mounting screw (M8x1.25), Nm (lb-ft) ............... 30-34 (22-25)
Idle gear mounting screw (M8x1.25), Nm (lb-ft) ............... 30-34 (22-25)
Injection pipe retaining nut (M12x1.5), Nm (lb-ft) ............... 23-36 (17-26)
Nozzle holder clamp screw (M8x1.25), Nm (lb-ft) ............... 24-27 (18-20)
Governor housing mounting screw, Nm (lb-ft) ............... 9.81-11.2 (7.24-8.31)
Relief valve retaining screw, Nm (lb-ft) ............... 69-78 (51-57)
Alternator pulley nut, Nm (lb-ft) ............... 58.4-78.9 (43.1-58.2)
Oil pump cover screw (M6), Nm (lb-ft) ............... 7.9-9.3 (5.8-6.8)
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