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Toyota 2H Engine Specifications
The Toyota 2H is a 4.0 L (3,980 cc, 242.9 cubic inches) six cylinders,
4-stroke water-cooled naturally aspirated internal combustion diesel
engine, from the Toyota H-family, manufactured by the Toyota Motor
Corporation.
The 2H diesel engine has a cast-iron cylinder block with 91.0 mm (3.58
in) cylinder bores and a 102.0 mm (4.02 in) piston stroke. Compression
ratio rating is 20.7:1. The motor has a cast iron cylinder head with the
overhead valves (2 per cylinder, 12 in total).
The Toyota 2H engine produced 105 PS (77 kW; 103 HP) at 3,500 rpm or 109
PS (80 kW; 107 HP) at 3,500 rpm of maximum power and 240 Nm (24.5 kgm,
176.9 ft-lb) at 2,000 rpm of peak torque.
Engine code identification:
2 - 2-nd generation engine
H - Engine family
| GENERAL TECHNICAL DATA |
Engine model ............... 2H
Cylinder layout ............... Straight-6, vertical
Fuel type ............... Diesel
Production ............... No data available
Total displacement ............... 4.0L, 3,980 cc (242.9 cubic inches)
Injection pump ............... Mechanical
Power adder ............... None
Rated power ............... 105 PS (77 kW; 103 HP) at 3,500 rpm
109 PS (80 kW; 107 HP) at 3,500 rpm
Torque output ............... 240 Nm (24.5 kgm, 176.9 ft-lb) at 2,000
rpm
Firing order ............... 1-4-2-6-3-5
Dimensions (L x H x W) ............... No data available
Weight ...............
| CYLINDER BLOCK |
The cylinder block is made of cast iron. The crankshaft is supported by
7 bearings. The crankshaft bearings are made of aluminum alloy. Pistons
are made of highly temperature-resistant aluminum alloy.
The cylinder bore is 91.0 mm (3.58 in), piston stroke is 102.0 mm (4.02
in) and compression ratio rating is 20.7:1.
Cylinder block alloy ............... Cast iron
Compression ratio ............... 20.7:1
Cylinder bore ............... 91.0 mm (3.58 in)
Piston stroke ............... 102.0 mm (4.02 in)
Number of piston rings (compression / oil) ............... 2 / 1
Number of main bearings ............... 7
Cylinder bore inner diameter ............... 91.000-91.030 mm
(3.5827-3.5839 in)
Piston skirt diameter ............... 90.930-90.940 mm (3.5799-3.5803
in)
Piston ring groove ............... First ............... 0.097-0.137 mm
(0.0038-0.0054 in)
Second ............... 0.060-0.100 mm (0.0024-0.0039 in)
Oil ............... 0.020-0.060 mm (0.0008-0.0024 in)
Piston ring end gap ............... First ............... 0.200-0.440 mm
(0.0079-0.0173 in)
Second ............... 0.200-0.440 mm (0.0079-0.0173 in)
Oil ............... 0.150-0.490 mm (0.0059-0.0193 in)
Piston pin outer diameter ............... 29.000-29.012 mm
(1.1417-1.1422 in)
Connecting rod small end diameter (standard) ...............
29.008-29.020 mm (1.142-1.1425 in)
Crankshaft main journal diameter ............... 69.980-70.000 mm
(2.7551-2.7559 in)
Crankpin diameter ............... 54.980-55.000 mm (2.1646-2.1654 in)
Crankshaft center distance ............... 51.0 mm (2.01 in)
Main bearing cap tightening procedure and torque specs:
136 Nm; 13.9 kgm; 100 ft-lb
After securing bearing cap bolts, make sure crankshaft turns smoothly by
hand.
Connecting rod bearing nut
88 Nm; 9.0 kgm; 65 ft-lb
Crankshaft pulley bolt
441 Nm; 45.0 kgm; 325 ft-lb
Drive plate (A/T) fixing bolts
98 Nm; 10.0 kgm; 72 ft-lb
Flywheel (M/T) fixing bolts
118 Nm; 12.0 kgm; 87 ft-lb
| CYLINDER HEAD |
Cylinder head alloy ............... Cast iron
Valve Arrangement ............... OHV
Valves ............... 12 (2 valves per cylinder)
Intake valves diameter ............... No data available
Exhaust valves diameter ............... No data available
Intake valves length ............... 120.7 mm (4.752 in)
Exhaust valves length ............... 120.6 mm (4.748 in)
Intake valve stem diameter ............... 8.973-8.989 mm (0.3533-0.3539
in)
Exhaust valves stem diameter ............... 8.954-8.970 mm
(0.3525-0.3531 in)
Valve spring free length ............... Inner: 44.3 mm (1.7441 in)
Outer: 48.1 mm (1.8937 in)
Camshaft journal diameter ............... 1: 51.151-51.170 mm
(2.0138-2.0146 in)
2: 50.951-50.970 mm (2.0059-2.0067 in)
3: 50.751-50.770 mm (1.9981-1.9988 in)
4: 50.551-50.570 mm (1.9902-1.9901 in)
Camshaft lobe height (intake) ............... 41.900 mm (1.6496 in)
Camshaft lobe height (exhaust) ............... 42.298 mm (1.6653 in)
Head tightening procedure and torque specs:
113 Nm; 11.5 kgm; 83 ft-lb
| MAINTENANCE DATA |
Valve clearance (Hot)
Intake valve ............... 0.20 mm (0.0079 in)
Exhaust valve ............... 0.36 mm (0.0142 in)
Compression pressure
Standard ............... 28.0 kg/m2 (2,750 kPa, 398 psi)
Minimum ............... 20.0 kg/m2 (1,960 kPa, 284 psi)
Compression differential limit between cylinders ............... 2.0
kg/m2 (196 kPa, 28 psi)
Oil system
Recommended engine oil ............... 10W-30 or 5W-30 (“CC”, “CD”)
Engine oil capacity ............... Dry fill: 10.3 L (10.9 US qt, 9.1
Imp. qt)
With oil filter change: 9.7 L (10.3 US qt, 8.5 Imp. qt)
Without oil filter change: 8.1 L (8.6 US qt, 7.1 Imp. qt)
Oil pressure ............... At idle: 0.3 kg/m2 (29 kPa, 4.3 psi) or
more
At 3,00 rpm: 2.5-6.0 kg/m2 (245-588 kPa, 36-85 psi)
Fuel system
Injection nozzle opening pressure ............... Reused: 105-125 kg/m2
(10,300-12,260 kPa, 1,493-1,780 psi)
New: 115-125 kg/m2 (11,280-12,260 kPa, 1,640-1,780 psi)
Idling ............... M/T: 650 ± 50 rpm
A/T: 700 ± 50 rpm
Maximum speed ............... 4,100-4,170 rpm
| VEHICLE APPLICATIONS |
Model ............... Years Produced
Toyota Land Cruiser (HJ47, HJ60, HJ75) ............... No data available
Toyota Dyna (HU20, 30, 40, 50) ............... No data available
Toyota Coaster (HB20, 30) ............... No data available
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| Engines Technical Specifications |