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Engine Overview:
Subaru EH72 25hp LP/NG is a keyed shaft V-Twin engine optimized to run on vapor withdrawal LP or natural gas. This engine is EPA and CARB certified for both stationary and portable applications.
Engine Family Overview:
Featuring six models ranging from 18 to 28 horsepower, the V-Twin Cylinder Series Industrial Engines are the workhorses of the Subaru commercial grade engine line.
This series provides maximum versatility offering models with
horizontal or vertical PTO shafts, allowing engine use with an
even greater variety of industrial and construction equipment. Compared
to conventional side-valve engines, Subaru’s V-Twin provides smooth,
reliable torque throughout the rpm range, improved breathing room at
high rpm and low fuel consumption.$0
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Specifications:
| Class |
Air-cooled, 4-Stroke, V-Twin cylinder, Overhead Valve, LPG/NG gas-fueled engine |
| Shaft |
Horizontal, Keyed Shaft |
| Cylinders |
2 |
| Displacement |
720 |
| Cycles |
4 |
| Fuel |
LP/NG Vapor Withdrawal |
| Max HP/RPM (Gross HP) |
LPG-(Propane content of 95% or higher) : 25hp/3600--Natural Gas (Methane content of 90% or equivalent) : 21hp/3600 |
| Bore x Stroke mm |
84 x 65 |
| Starter |
Electric |
| Dry Weight lbs |
101.3 |
| Dry Weight kg |
46 |
| Length inches (mm) |
12.5 (317) |
| Width inches (mm) |
18.8 (477) |
| Height inches (mm) |
18.7 (475) |
| Air Cleaner |
Dual Element |
| Muffler (type) |
Optional |
| Ignition System |
Hot Spark* Electronic Ignition |
| Lube System |
Full Pressure--Spin-on Oil Filter |
| Oil Sensor |
Low Oil Pressure |
| Emission Rating |
EPA/CARB |
| Color |
Black |
| Governor System |
Mechanical Flyweight |
| Fuel System |
Throttle Body LP/NG |
| Crankshaft options |
Keyed or Taper |
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Key Features & Benefits:
| Cast-Iron Cylinder Liner |
Cast-iron cylinder liners enhance reliability and extend engine life.
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| Forged High-Carbon Steel Crankshaft |
Forged high-carbon steel crankshaft provides maximum reliability under demanding loads.
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| Large-Capacity Air Cleaner Element |
Large-capacity air cleaner with dual elements enhances reliability.
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| Oversized Ball Bearing Support |
Large main bearing support on PTO side of crankshaft minimizes shock under heavy loads.
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| Single Piece Aluminum Die-Cast Cylinder Block |
The configuration of the twin cylinder in the 90º (v-arrangement) offers compactness and is lightweight. Strong crankcase reinforcing ribs prove this engine is built with durability in mind.
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