Yanmar 2TNV70 - Page 52

GENERAL SERVICE INFORMATION
4-22
TNV IDI Service Manual
Principal Engine Specifications
PRINCIPAL ENGINE SPECIFICATIONS
2TNV70
Engine Model 2TNV70
Version VM CH VH
Type Vertical In-line Diesel Engine
Combustion System Ball-Type Swirl Chamber
Aspiration Natural
No. of Cylinders 2
Bore × Stroke 2.756 x 2.913 in. (70 × 74 mm)
Displacement 34.777 cu in. (0.570 L)
Continuous Rated Output
RPM
(min
-1
)
3000 3600
hp SAE 10.9 13.1
kW 8.16 9.76
PS 11.1 13.3
Max. Rated Output (Net)
RPM
(min
-1
)
2000 2200 2400 2600 2800 3000 3000 3600 3200 3400 3600
hp SAE 7.99 8.88 9.76 10.55 11.44 12.23 12.03 14.40 12.53 13.12 13.81
kW 5.96 6.62 7.28 7.87 8.53 9.12 8.97 10.7 9.34 9.78 10.3
PS 8.10 9.00 9.90 10.7 11.6 12.4 12.2 14.6 12.7 13.3 14.0
High Idling
RPM
(min
-1
)
2160
± 25
2375
± 25
2570
± 25
2780
± 25
2995
± 25
3210
± 25
3165
± 25
3800
± 25
3400
± 25
3600
± 25
3815
± 25
Engine Weight (Dry)
with Flywheel Housing
182.2 lb (84 kg)
PTO Position Flywheel End
Direction of Rotation Counterclockwise Viewed From Flywheel End
Cooling System Liquid-Cooled with Radiator
Lubricating System Forced Lubrication with Trochoid Pump
Normal Oil Pressure at
Rated Engine Speed
42 - 64 psi (0.29 -0.44 MPa, 2.96 - 4.49 kgf/cm
2
)
Normal Oil Pressure at
Low Idle Speed
8.5 psi (0.06 MPa, 0.6 kgf/cm
2
) or greater
Starting System
Electric Starting - Starter Motor: DC12V, 1.3 hp (1.0 kW)**
Dynamo: DC12V, 20A**
Recommended Battery Capacity: 12V, 36 Amp-Hour (5h rating)**
Dimensions (L × W × H)*
16.38 x 16.81 x 19.06 in.
(419 × 427 × 484 mm)
16.38 x 16.81 x
20.24 in.
(416 x 427 x
514 mm)
16.38 x 16.81 x 19.06
in.
(416 x 427 x 484 mm)
Engine Oil Pan Capacity
1.7 / 0.9 qt (1.65 / 0.8 L)
(Dipstick Upper Limit / Lower Limit)
2.4 / 1.4 qt
(2.3 / 1.3 L)
(Dipstick Upper
Limit / Lower
Limit)
1.7 / 0.8 qt (1.6 / 0.8 L)
(Dipstick Upper Limit /
Lower Limit)
Engine Coolant Capacity 0.16 gal (0.6 L) Engine Only
Standard Cooling Fan 10.23 in. (260 mm) O.D., 5 Blade Pusher-Type**
Top Clearance 0.768 ± 0.072mm
* Engine specifications without radiator.
** May vary depending on application.
*** Engine oil capacity for a “Deep Standard” oil pan. Refer to the operation manual provided by the driven machine
manufacturer for the actual engine oil capacity of your machine.
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