Yanmar 3TNM72-ASA3 General Specification
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MINIMAX IDI Series
Industrial Diesel Engine
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3TNM72-ASA3 General Specification
22.8 HP (17.0 kW) @ 3600 rated rpm*
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Type• • • 3 Cylinder, 4-Cycle, Liquid Cooled Diesel Engine
Bore • • • • • • • • • • • • • • • • • • • • • • 72 mm
Stroke • • • • • • • • • • • • • • • • • • • • • 74 mm
Displacement • • • • • • • • • • • • • • • • • .904 L
Aspiration • • • • • • • • • • • • • Naturally Aspirated
Combustion System • • • • • • • • • Indirect Injection
Rotation (from flywheel end) • • • • • • Couterclockwise
Dry Weight • • • • • • • • • • • • •161 lbs. (73 kg)
Image shown may not be actual engine
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Features
Clean Emissions
Building off the Yanmar reputation for clean, quiet, fuel
efficient and reliable compact diesel engines MINIMAX
has achieved compliance with 2008 EPA Tier 4 and EU
stage III A exhaust emissions regulations.
Reliable, Durable, and Quiet
MINIMAX offers enhanced noise and vibration
characteristics due to its Ladder Frame block design, a
stiffer crank and pistons and finer tolerance in the
journal. Gear noise reduction is achieved through an
improved gear tooth profile resulting in less mechanical
noise.
Fuel Delivery and Economy
A newly designed, in-line type fuel injection pump is
utilized to assure more precise fuel delivery, and control.
The result is reduced emissions, improved performance
over a wide range of applications and good fuel
economy which assures that Yanmar’s reputation for
superior starting characterist ics continues.
Ultra-Compact and High Performance
MINIMAX offers best-in-class power density as
measured by the ratio of the engine’s output relative to
the engine’s overall external dimensions
Easy Installation
With 176 mm wide base, MINIMAX engines is an easy
replacement for most major applications in this
displacement category.
Additional Information
Yanmar America Corp Distributed By:
951 Corporate Grove Drive
Buffalo Grove, IL 60089
Website www.yanmar.com
Standard Engine Equipment
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General
Intake manifold & exhaust manifold
Muffler/Exhaust Pipe gasket (shipped loose)
Lubrication System
2.9 L Capacity Shallow Oil Pan, Side Drain
Trochoid Oil Pump
Paper Element Oil Filter
Oil Pressure Switch
Crankcase Breather, Closed Type
Electrical System
12V, 40 Amp Alternator
12V Starter Motor
12V Super Quick Glow Plugs
Stop Solenoid Timer (shipped loose)
Fuel System
In-line MC Fuel Injection Pump
Mechanical Fuel Pump
Paper Element Fuel Filter
Water Separator (shipped loose)
Stop Solenoid, Integral to Fuel Injection Pump
Cooling System
Water Pump, Belt Driven
5-Blade, 300mm Cooling Fan—Puller Type
71°C (160°F) Thermostat
Temperature Switch
Fan Belt
Power Take Off
Flywheel
Backplate
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3TNM72-ASA3
Industrial Diesel Engine
Performance Data
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Dimensions
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Length 20.7 in (527 mm)
Width 16.7 in (425 mm)
Height 21.1 in (537 mm)
Note: Dimensions depend on final specifications.
kW to Hp conversion used is expressed as: HP = (kW value) x 1.34
Rated Speed (rpm) Net rated kW Net rated HP Max. Torque (ft-lb)
3600 17.0 22.8 40.1 @ 2600 rpm
Ratings Definitions and Conditions
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*Rated power listed is NET engine output. The engine
operating environment and driven machine conditions
must be studied carefully when selecting an engine in
order to ensure correct engine selection, maximize
engine performance, extend engine service life and
improve machine capacity.
Consult the TNV Application Manual for additional engine ratings and engine application information.
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Materials and specifications herein are intended to serve as a guide in engine selection and subject to change without notice.
The International System of Units (SI) is used in this publication. Yanmar and its logos, as well as corporate identity used
herein, are trademarks of Yanmar and may not be used without permission.
Printed in USA © 2.25.09 Yanmar
All Rights Reserved
Application standards for Yanmar industrial engines: Inlet
air standard conditions with a total barometric pressure of
100kPa (29.5 in. Hg), with 30% relative humidity and 25°
C (77°F).
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