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Yanmar 4TNV106T Specifications

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• Yanmar 4TNV106T Engine Specifications
• Yanmar 4TNV106T Engine Troubleshooting

Engine Model ................ Yanmar 4TNV106T
Engine Type ................ 4-cycle vertical in-line turbocharged diesel
Number of Cylinders ................ 4
Total Displacement, cu.in (L) ................ 269.2 (4.41)
Cylinder Bore, in (mm) ................ 4.17 (106.0)
Piston Stroke, in (mm) ................ 4.92 (125.0)
Rated Engine Power, hp (kW) ................ 96.6 (72.1)
Rated Engine Speed, rpm ................ 2200
High Idle Speed, rpm ................ 2420±25
Aspiration Type ................ Turbocharged
Firing Order ................ 1-3-4-2
Direction of Rotation ................ Counterclockwise (Flywheel Side)
Combustion System ................ Ball type swirl chamber
Air Cleaner Type ................ Dry, dual element
Lubricating System ................ Forced with trochoid pump
Oil Filter Type ................ Full flow
Cooling System ................ Liquid-cooled with radiator
Electrical System Rating, Volts ................ 12
Charging System ................ Alternator
Alternator Rating, Amps ................ 55

Fuel System ................ Direct injection
Fuel Pump Type ................ Mechanical
Fuel Filter Type ................ Replaceable element
Governor Type ................ Mechanical

Overall Width, in (mm) ................ 24.8 (629)
Overall Height, in (mm) ................ 34.1 (866)
Overall Length, in (mm) ................ 30.6 (778)
Dry Weight, lbs (kg) ................ 750 (340)

Cylinder Bore I.D (Standard), in (mm) ................ 4.1732-4.1744 (106.000-106.030)
Cylinder Bore I.D (Wear Limit), in (mm) ................ 4.1783 (106.130)
Crankshaft Bearing Journal O.D, in (mm) ................ 2.9902-2.9906 (75.952-75.962)
Crankshaft Bearing I.D, in (mm) ................ 2.9927-2.9935 (76.014-76.034)
Crankshaft Bearing Oil Clearance, in (mm) ................ 0.0020-0.0032 (0.052-0.082)
Crankshaft End Play, in (mm) ................ 0.0051-0.0091 (0.13-0.23)
Connecting Rod Journal O.D, in (mm) ................ 2.5178-2.5182 (63.952-63.962)
Connecting Rod Bearing I.D, in (mm) ................ 2.5203-2.5213 (64.016-64.042)
Connecting Rod Oil Clearance, in (mm) ................ 0.0021-0.0035 (0.054-0.090)
Connecting Rod Small End Bushing I.D (Std), in (mm) ................ 1.4577-1.4582 (37.025-37.038)
Connecting Rod Small End Bushing I.D (Wear Limit), in (mm) ................ 1.4594 (37.068)
Connecting Rod Small End O.D (Standard), in (mm) ................ 1.4563-1.4567 (36.989-37.000)
Connecting Rod Small End O.D (Wear Limit), in (mm) ................ 1.4552 (36.961)
Connecting Rod Small End Oil Clearance, in (mm) ................ 0.0010-0.0019 (0.025-0.049)
Connecting Rod Big End Side Clearance, in (mm) ................ 0.0079-0.0157 (0.20-0.40)

Cylinder Head Surface (Flatness, Standard), in (mm) ................ 0.0020 (0.05)
Cylinder Head Surface (Flatness, Wear Limit), in (mm) ................ 0.0059 (0.15)
Intake Valve Recession (Standard), in (mm) ................ 0.0197-0.0276 (0.50-0.70)
Intake Valve Recession (Wear Limit), in (mm) ................ 0.0394 (1.00)
Exhaust Valve Recession (Standard), in (mm) ................ 0.0276-0.0354 (0.70-0.90)
Exhaust Valve Recession (Wear Limit), in (mm) ................ 0.0472 (1.20)
Intake Valve Seat Angle, deg ................ 120
Exhaust Valve Seat Angle, deg ................ 90
Intake Valve Guide I.D, in (mm) ................ 0.2759-0.2764 (7.008-7.020)
Intake Valve Stem O.D, in (mm) ................ 0.2734-0.2740 (6.945-9.960)
Exhaust Valve Guide I.D, in (mm) ................ 0.2759-0.2764 (7.008-7.020)
Exhaust Valve Stem O.D, in (mm) ................ 0.2740-0.2746 (6.960-6.975)
Valve Spring Free Length (Standard), in (mm) ................ 1.9921 (50.6)
Valve Spring Free Length (Wear Limit), in (mm) ................ 1.9724 (50.1)
Camshaft End Play, in (mm) ................ 0.0020-0.0079 (0.05-0.20)
Cam Lobe Height, in (mm) ................ 2.0039-2.0118 (50.900-51.100)
Camshaft Bushing I.D (Gear), in (mm) ................ 2.2827-2.2854 (57.980-58.050)
Camshaft O.D (Gear), in (mm) ................ 2.2799-2.2811 (57.910-57.940)
Camshaft Oil Clearance (Gear), in (mm) ................ 0.0016-0.0055 (0.040-0.140)
Camshaft Bushing I.D (Center), in (mm) ................ 2.2835-2.2846 (58.000-58.030)
Camshaft O.D (Center), in (mm) ................ 2.2793-2.2805 (57.895-57.925)
Camshaft Oil Clearance (Center), in (mm) ................ 0.0030-0.0053 (0.075-0.135)
Camshaft Bushing I.D (Flywheel), in (mm) ................ 2.2835-2.2846 (58.000-58.030)
Camshaft O.D (Flywheel), in (mm) ................ 2.2799-2.2811 (57.910-57.940)
Camshaft Oil Clearance (Flywheel), in (mm) ................ 0.0020-0.0047 (0.050-0.120)
Rocker Arm Shaft Bore I.D (Standard), in (mm) ................ 0.7283-0.7291 (18.500-18.520)
Rocker Arm Shaft Bore I.D (Wear Limit), in (mm) ................ 0.7311 (18.57)
Rocker Arm Shaft O.D (Standard), in (mm) ................ 0.7272-0.7280 (18.470-18.490)
Rocker Arm Shaft O.D (Wear Limit), in (mm) ................ 0.7260 (18.44)
Rocker Arm Oil Clearance (Standard), in (mm) ................ 0.0004-0.0020 (0.010-0.050)
Rocker Arm Oil Clearance (Wear Limit), in (mm) ................ 0.0051 (0.13)

Idler Gear Shaft O.D (Standard), in (mm) ................ 1.8091-1.8100 (45.950-45.975)
Idler Gear Shaft O.D (Wear Limit), in (mm) ................ 1.8071 (45.900)
Idler Gear Bushing I.D (Standard), in (mm) ................ 1.8110-4.8120 (46.000-46.025)
Idler Gear Bushing I.D (Wear Limit), in (mm) ................ 1.8140 (46.075)
Idler Gear Oil Clearance (Standard), in (mm) ................ 0.0010-0.0030 (0.025-0.075)
Idler Gear Oil Clearance (Wear Limit), in (mm) ................ 0.0069 (0.175)
Timing Gear Backlash (Standard), in (mm) ................ 0.0031-0.0055 (0.08-0.14)
Timing Gear Backlash (Wear Limit), in (mm) ................ 0.0063 (0.16)

Piston O.D (Standard), in (mm) ................ 4.1705-4.1716 (105.930-105.960)
Piston O.D (Wear Limit), in (mm) ................ 4.1685 (105.880)
Piston Pin Bore I.D (Standard), in (mm) ................ 1.4567-1.4571 (37.000-37.011)
Piston Pin Bore I.D (Wear Limit), in (mm) ................ 1.4582 (37.039)
Piston Pin O.D (Standard), in (mm) ................ 1.4563-1.4567 (36.989-37.000)
Piston Pin O.D (Wear Limit), in (mm) ................ 1.4551 in. (36.959)
Piston Pin Oil Clearance, in (mm) ................ 0.0000-0.0009 (0.000-0.022)
Top Ring Groove Width, in (mm) ................ 0.0992-0.1000 (2.520-2.540)
Top Ring Width, in (mm) ................ 0.0961-0.0969 (2.440-2.460)
Top Ring Groove Clearance, in (mm) ................ 0.0024-0.0039 (0.060-0.100)
Top Ring End Gap, in (mm) ................ 0.0118-0.0177 (0.300-0.450)
Second Ring Groove Width, in (mm) ................ 0.0815-0.0821 (2.070-2.085)
Second Ring Width, in (mm) ................ 0.0776-0.0783 (1.970-1.990)
Second Ring Groove Clearance, in (mm) ................ 0.0031-0.0045 (0.080-0.115)
Second Ring End Gap, in (mm) ................ 0.0177-0.0236 (0.450-0.600)
Oil Ring Groove Width, in (mm) ................ 0.1187-0.1193 (3.015-3.030)
Oil Ring Width, in (mm) ................ 0.1169-0.1177 (2.970-2.990)
Oil Ring Groove Clearance, in (mm) ................ 0.0010-0.0024 (0.025-0.060)
Oil Ring End Gap, in (mm) ................ 0.0118-0.0197 (0.300-0.500)

Cylinder Bore I.D, in (mm) ................ 4.1732-4.1744 (106.000-106.030)
Cylinder head (max out of flatness), in (mm) ................ 0.05 (0.002)
Intake valve clearance (Cold), in (mm) ................ 0.006-0.010 (0.15-0.25)
Exhaust valve clearance (Cold), in (mm) ................ 0.006-0.010 (0.15-0.25)
Cylinder compression, psi (kPa) ................ 384-513 (2650-3540)
Engine oil pressure (rated speed), psi (kPa) ................ 49-71 (340-490)
Engine oil pressure (low idle speed), psi (kPa) ................ 8.8 (60)
Fuel injection pressure, psi (kPa) ................ 2843-2988 (19600-20600)
Fuel injection timing, deg ................ 18, BTDC
Fan belt tension, N (lbf) ................ 98 (22)
Fan belt deflection, in (mm) ................ 0.35-0.55 (9.0-14.0)
Engine oil type ................ SAE 10W-30, 15W-40, 20W-50
API service classification ................ CD or higher
Engine oil capacity, qts (L) ................ 14.8 (14.0)
Oil filter part number ................ 119005-35100
Air filter part number ................ 119117-12560
Fuel filter part number ................ 119802-55710

Check Battery Electrolyte Level ................ Every 50 hours
Change Engine Oil ................ Every 250 hours
Replace Engine Oil Filter ................ Every 250 hours
Clean Fuel Filter Water Separator ................ Every 250 hours
Clean Air Cleaner Element ................ Every 250 hours
Clean Radiator Fins ................ Every 250 hours
Check and Adjust Fan Belt ................ Every 250 hours
Replace Fuel Filter ................ Every 500 hours
Replace Air Cleaner Element ................ Every 500 hours
Drain, Flush and Refill Cooling System ................ Every 1000 hours
Adjust Valve Clearance ................ Every 1000 hours
Adjust Fuel Injection Timing ................ Every 2000 hours
Check Fuel Injection Nozzle Pressure ................ Every 2000 hours

Cylinder Head Bolt (M13x1.5), ft-lb (Nm) ................ 139-146 (188.0 -197.1)
Connecting Rod Bolt (M11x1.0), ft-lb (Nm) ................ 58-62 (78.5-83.4)
Flywheel Bolt (M14x1.5), ft-lb (Nm) ................ 137-152 (186.2 -205.8)
Main Bearing Cap Bolt (M14x1.5), ft-lb (Nm) ................ 137-152 (186.2-205.8)
Crankshaft Pulley Bolt (M14x1.5), ft-lb (Nm) ................ 80-94 (107.9-127.5)
Fuel Injector Bolt (M8x1.25), ft-lb (Nm) ................ 18-21 (24.4-28.4)
Fuel Pump Drive Gear Nut (M18x1.5), ft-lb (Nm) ................ 83-90 (113-123)
High-Pressure Fuel Lines Bolt (M12x1.5), ft-lb (Nm) ................ 22-25 (29.4-34.3)
Fuel Return Line Bolts, ft-lb (Nm) ................ 6-8 (7.8-9.8)
Fuel Injection Pump Mounting Nuts, ft-lb (Nm) ................ 17-21 (23-28)
Oil Pump Cover Screw ................ 4.8-6.3 ft-lb (6.5-8.5 Nm)
Oil Drain Plug ................ 14-17 ft-lb (19.6-23.5 Nm)
Fuel Injector Nozzle Case Nut, ft-lb (Nm) ................ 30-33 (39.2-44.1)

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Gasoline and Diesel Engines Technical Data