Kubota V3800-DI-T Specifications
| Engine Model: Kubota V3800-DI-T |
| Engine Type: 4-cycle vertical 4-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 230.1 cu.in (3.77 L) |
| Rated Engine Power: 94 Hp (70.1 kW) at 2800 rpm |
| Aspiration Type: Turbocharged |
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| Kubota General Technical Data |
Engine Model ............... Kubota V3800-DI-T
Engine type ............... 4-stroke vertical direct injection turbocharged diesel
Number of cylinders ............... 4
Total displacement, L (cu.in) ............... 3.77 (230.1)
Cylinder Bore, mm (in) ............... 100.0 (3.94)
Piston Stroke, mm (in) ............... 120.0 (4.72)
Gross power, kW (Hp) ............... 74.0 (99.2)
Net power, kW (Hp) ............... 70.1 (94.0)
Maximum speed, rpm ............... 2800
Idle speed, rpm ............... 775-825
Aspiration type ............... Turbocharged
Firing order ............... 1-3-4-2
Compression ratio ............... 19:1
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) ............... 13.2 (14.0)
Starting system ............... Electric starting with starter
Electrical system rating, Volts ............... 12
Fuel system ............... Direct injection
Injection pump ............... Bosch type mini
Injection nozzle ............... Bosch P type
Governor type ............... Mechanical
Overall Length, mm (in) ............... 745 (29.3)
Overall Width, mm (in) ............... 549 (21.6)
Overall Height, mm (in) ............... 794 (31.3)
Dry Weight, kg (lbs) ............... 288 (635)
Cylinder Bore I.D (Standard) ............... 100.000-100.022 mm (3.93701-3.93787 in)
Cylinder Bore I.D (Wear Limit) ............... 100.150 mm (3.9429 in)
Cylinder Bore Oversize I.D (Standard) ............... 100.500-100.522 mm (3.95670-3.95755 in)
Cylinder Bore Oversize I.D (Wear Limit) ............... 100.650 mm (3.96260 in)
Connecting Rod Alignment ............... 0.05 mm (0.002 in)
Crankshaft Side Clearance ............... 0.15-0.31 mm (0.0059-0.012 in)
Crankshaft Alignment ............... 0.02 mm (0.0008 in)
Crank Pin to Crank Pin Bearing Clearance ............... 0.018-0.062 mm (0.00071-0.0024 in)
Crank Pin O.D ............... 52.977 to 52.990 mm (2.0857-2.0862 in)
Crankshaft Journal to Bearing Clearance ............... 0.018-0.062 mm (0.00071-0.0024 in)
Crankshaft Journal O.D ............... 74.977-74.990 mm (2.9519-2.9523 in)
Cylinder Head Surface Flatness ............... 0.05 mm (0.002 in)
Valve Clearance (Cold) ............... 0.23-0.27 mm (0.0091-0.010 in)
Top Clearance ............... 0.701-0.930 mm (0.0276-0.0366 in)
Intake Valve Recessing ............... 0.60-0.80 mm (0.024-0.031 in)
Exhaust Valve Recessing ............... 0.850-1.05 mm (0.0335-0.0413 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)
Intake Valve Face Angle ............... 1.0 rad (60 deg)
Exhaust Valve Face Angle ............... 0.79 rad (45 deg)
Intake Valve Seat Angle ............... 1.0 rad (60 deg)
Exhaust Valve Seat Angle ............... 0.79 rad (45 deg)
Intake Valve Seat Width ............... 1.6-2.0 mm (0.063-0.078 in)
Exhaust Valve Seat Width ............... 2.3-2.6 mm (0.091-0.10 in)
Intake Valve Timing (Open) ............... 0.24 rad (14 deg) before T.D.C.
Intake Valve Timing (Close) ............... 0.63 rad (36 deg) after B.D.C.
Exhaust Valve Timing (Open) ............... 0.79 rad (45 deg) before B.D.C.
Exhaust Valve Timing (Close) ............... 0.30 rad (17 deg) after T.D.C.
Valve Spring Free Length ............... 35.1-35.6 mm (1.39-1.40 in)
Rocker Arm Shaft to Rocker Arm Clearance ............... 0.016-0.045 mm (0.00063-0.0017 in)
Rocker Arm Shaft O.D ............... 15.973-15.984 mm (0.62886-0.62929 in)
Rocker Arm I.D ............... 16.000-16.018 mm (0.62993-0.63062 in)
Camshaft Side Clearance ............... 0.070-0.22 mm (0.0028-0.0086 in)
Camshaf Alignment ............... 0.01 mm (0.0004 in)
Camshaft Oil Clearance ............... 0.050-0.091 mm (0.0020-0.0035 in)
Camshaft Journal O.D ............... 45.934-45.950 mm (1.8085-1.8090 in)
Camshaft Bearing I.D ............... 46.000-46.025 mm (1.8111-1.8120 in)
Cam Height (Intake) ............... 37.63-37.13 mm (1.481-1.462 in)
Cam Height (Exhaust) ............... 38.96-38.46 mm (1.534-1.514 in)
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 (1.183 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 (1.1814-1.1815 in)
Small End Bushing I.D ............... 30.031-30.046 mm (1.1824-1.1829 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 ............... 0.0930-0.120 mm (0.00367-0.00472 in)
Oil Ring Groove Clearance 0.020-0.060 mm (0.00079-0.0023 in)
Cylinder bore inside diameter, mm (in) ............... 100.000-100.022 (3.93701-3.93787)
Cylinder compression, kPa (psi) ............... 2560-3470 (371-504)
Cylinder head (max out of flatness), mm (in) ............... 0.05 (0.002)
Intake valve clearance (Cold), mm (in) ............... 0.23-0.27 (0.0091-0.0106)
Exhaust valve clearance (Cold), mm (in) ............... 0.23-0.27 (0.0091-0.0106)
Engine oil pressure (Idle Speed), kPa (psi) ............... 49 (7)
Engine oil pressure (Rated Speed), kPa (psi) ............... 150-390 (21-56)
Injection pressure, kPa (psi) ............... 18630-23540 (2700-3420)
Injection timing, deg (rad) ............... 6 (0.10) before T.D.C.
Engine oil type ............... SAE20, SAE30, 10W-30, 10W-40
Oil classification (API service) ............... CF-4, CG-4, CH-4, or CI-4
Engine oil capacity, L (qts) ............... 13.2 (14.0)
Oil Filter Part Number ............... HH1C0-32430
Fuel Filter Part Number ............... HH166-43560
Air Filter Part Number ............... 59700-26112, 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 250 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 cover screw, Nm (lb-ft) ............... 6.9-11.2 (5.1-8.31)
Cylinder head screw (M12x1.25), Nm (lb-ft) ............... 98.1-107 (72.4-79.5)
Connecting rod screw (M10x1.25), Nm (lb-ft) ............... 79-83 (58-61)
Flywheel screw (M12x1.25), Nm (lb-ft) ............... 98.1-107 (72.4-79.5)
Crankshaft screw (M16x1.5), Nm (lb-ft) ............... 255-274 (188-202)
Main bearing case screw (M14x1.5), Nm (lb-ft) ............... 138-147 (102-108)
Rocker arm bracket screw (M10x1.25), Nm (lb-ft) ............... 49-55 (37-41)
Nozzle holder clamp nut ............... (M8x1.25), Nm (lb-ft) ............... 18-20 (13-15)
Injection pipe retaining nut (M12x1.5), Nm (lb-ft) ............... 23-36 (17-26)
Oil pump cover screw, Nm (lb-ft) ............... 7.9-9.3 (5.8-6.8)
Injection pump unit mounting nut (M8x1.25), Nm (lb-ft) ............... 18-20 (13-15)
Oil cooler joint screw, Nm (lb-ft) ............... 40-44 (29-32)
Starter’s terminal mounting nut (M8x1.25), Nm (lb-ft) ............... 9.8-11 (7.3-8.6)
Relief valve retaining screw, Nm (lb-ft) ............... 69-78 (51-57)
Bearing case cover mounting screw (M8x1.25), Nm (lb-ft) ............... 24-27 (18-20)
Alternator pulley nut, Nm (lb-ft) ............... 58.4-78.9 (43.1-58.2)
Camshaft set screw (M8x1.25), Nm (lb-ft) ............... 24-27 (18-20)
Flywheel housing mounting screw (M12x1.25), Nm (lb-ft) ............... 78-90 (58-66)
Crankcase mounting screw (M10x1.25), Nm (lb-ft) ............... 49-55 (37-41)
Injection pump mounting screw (M8x1.25), Nm (lb-ft) ............... 24-27 (18-20)
Governor housing mounting screw (M6x1.0), Nm (lb-ft) ............... 9.8-11.2 (7.24-8.31)
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