ENGINES

hartmann.michelle15

ENGINES

Full Line

ENGINES


The power of Innovation.

As one of the largest engine manufacturers in the world, Subaru produces more

than 1.2 million engines annually for every type of market. Collectively sharing

technologies from our Automotive, Aerospace and Eco Technologies divisions, our

engines power innovation in every industry we serve. With a five-year warranty and

a parts and service network numbering more than 5,000, our support after the sale

is second to none.

With more than 50 years of superior operation and unmatched quality, Subaru

engines have earned a worldwide reputation for exceptional performance and

unbeatable reliability. A hallmark of the Subaru line, our chain-driven overhead cam

technology sets the bar for the industry.


Subaru’s

Industry Leading Warranty

Subaru does more than lead the industry in technology and innovation.

We lead the way in customer service too. And our warranty policy is no

exception. We were the first engine manufacturer to offer a five-year

warranty on our EX and V-Twin engines - and the only to honor it. Enjoy a

guaranteed, hassle-free claim process, where all “ties” go to the customer.

We believe it’s about more than just superior engines – it’s investing in

superior service and peace of mind.

Reliability. Dependability. Serviceability. Count on it from Subaru.


EX Series

Overhead Cam

Factory Options

• Charging Systems up to 200 Watts*

• Electronic Low Oil Shut-Off System

• Key, Tapered or Threaded Shafts

• Manual and Cable Remote Throttle Control

Rotating Screen

*for 6 hp and above ** select models only

Advanced technology. Experienced craftsmanship. Subaru EX engines lead the industry.

Featuring nine models from 4.3 to 14 horsepower, the EX engines offer superior performance

and durability over same-class competitive models.

Provides superior

protection from

unwanted debris.

• Solenoid-Actuated Idle Control**

• Manual** or Remote Control Choke

• Multiple Air Cleaner Options

Electric Start*

For quick, convenient

and easy starting.

Low-Profile Air Cleaner

Cyclone Pre-Cleaner

Accommodates a

compact design for

generator applications.

Ensures engine

protection even in high

dust environments.

Subaru engine models available in EPA Phase 3, CARB Tier 3, EU Stage II emission compliant and Canadian ICES regulation compliant configurations.


Features & Benefits

1

2

Chain-Driven Overhead Cam

Enables the engine to breathe better and run quieter.

OHC technology, in combination with the hemispherical

combustion chamber, elevates starting ease and

eliminates kickback. Required pulling force is reduced

by 30 to 40 percent with an automatic decompression

system. Engines start instantly – even at temperatures

as cold as -10ºC – without any perceptible kickback.

Optimized Capacity Rigid Muffler

Combined with 33 percent fewer moving parts, ensures

noise levels a full 2 dbA below competitive models.

3

4.3-14.0 HP

EX13 | EX17 | EX21 | EX27 | EX30 | EX35 | EX40

3

4

5

4

2

5

1

Dual Ball-Bearing Crankshaft Support

Ensures maximum stability and durability in the most

demanding conditions.

Hemispherical Combustion Chamber

Provides optimum intake and exhaust valve placement

allowing up to 9:1 compression ratio for superior

performance and efficiency.

Case-Hardened Steel Timing Chain

Allows for precision timing and maximum durability.


EH Series

Overhead Valve V-Twin

• Multiple Muffler Kits

• Key Switch with Electronic

Tachometer/Hour Meter

• 15 or 30 Amp Charging Systems

• LP/NG Fuel System (EH72)

Only one word is needed to describe the Subaru V-Twin line: Workhorse. Five models with

horsepower from 20.5 to 28 deliver high power and performance in a small package. With Subaru

technology, rest assured these engines offer maximum durability, easy starts and long life.

Factory Options

• Manual & Remote Cable

Throttle & Choke Controls

• Oil Drain Extensions

• Rotating Flywheel Screen

Full-Pressure Lubrication System with Spin -On Oil Filter

Provides superior

lubrication and long

engine life.

• Oil Cooler (EH72)

• Flywheel Stub Shaft

• Electronic Fuel System (EH72)

Hydraulic Pump Mount

Allows close coupling

of hydraulic pumps.

Control Box with Electronic Tachometer

Canister Air Cleaner

Offers a quick and

accurate read of

power, speed and

service intervals.

Ensures engine

protection even in high

dust environments.

Subaru engine models available in EPA Phase 3, CARB Tier 3, EU Stage II emission compliant and Canadian ICES regulation compliant configurations.


Features & Benefits

1

2

3

4

Cast-Iron Cylinder Liners

Enhance reliability and extend engine life.

High Carbon Steel Crankshaft

Provides maximum reliability.

Large Main Bearing Support on the PTO Side of Crankshaft

Minimizes shock under heavy loads.

Low Oil Pressure Sensor

Alerts operator when oil pressure drops too low.

6

3

2

5

6

20.5-28.0 HP

EH64 | EH65 | EH65V | EH72 | EH72 FI

1

4

5

HotSpark ® Electronic Ignition System

Ensures accurate ignition timing to deliver reliable

starting performance, while offering smooth idling and

reduced fuel consumption.

Large-Capacity Air Cleaner with Dual Elements

Protects the engine from harmful dust and debris.


EH & ER Series

Rammer

Features & Benefits

1

2

3

4

Balanced. Durable. Powerful. It all adds up to a rammer engine like no other. Unlike

competitors, Subaru designed its engines from the ground up strictly for rammer

applications. They are carefully balanced and engineered to be lightweight for optimal

performance, yet able to deliver the most power and torque.

Cast-Iron Cylinder Liners

Resist wear and enhance durability for better compression,

more power and prolonged engine life.

Dual Ball-Bearing Crankshaft Support

Reduces friction and increases power delivery to the crankshaft.

Vertical Cylinder Design

Maintains an ideal center of gravity to effectively transmit

power to the ground.

Specific Rammer Design

Ensures a unit that’s balanced, lightweight and powerful for demanding rammer applications.

1 2

5 Low Oil Pressure Sensor (ER12)

Shuts off the engine if oil pressure level drops too low.

Subaru engine models available in EPA Phase 3, CARB Tier 3, EU Stage II emission compliant and Canadian ICES regulation compliant configurations.

3

4


Rammer Engine

2.8-3.5 HP

EH09 | ER12

Rammers present a special engineering challenge. The engine must withstand both the vibration of the compactive force and the high dirt

and dust environment. Additionally, rammer engines require a high degree of specialized design to integrate with the rest of the machine for

maximum performance. The rammer design requires that the entire machine be balanced on the center of the foot in both the front to back

axis and side to side axis.

Because the engine is mounted to the side of the rammer’s leg, the lesser the width (W) of the engine, the less the rammer needs to be

angled (A) forward to balance the machine over the foot. As the rammer angle (A) is increased, the compaction force (F1) that impacts the

ground is reduced and the backward force (F2) increases – propelling the rammer forward and reducing compactive force. To maximize

the compaction force, Subaru rammer engines are designed specifically for rammer applications. All Subaru rammer engines are balanced

close to the mounting face as well as evenly on the side to side axis for optimum compaction performance and easy operation.

F1

W

F2

A


SP Series

Overhead Cam

Factory Options

• Electric Start 15-Watt Charging System

• Key, Tapered Shafts

• Manual and Cable Remote Throttle Control

• Multiple Air Cleaner Options

Electric Start

Engineered with the exclusive Subaru OHC technology of our maximum durability

engines, the SP Series engines offer maximum value for light commercial and premium

residential equipment.

For quick, convenient

and easy starting.

Low-Profile Air Cleaner

Accommodates a

compact design for

generator applications.

Dual Element Cleaner

Ensures engine

protection even in high

dust environments.

Subaru engine models available in EPA Phase 3, CARB Tier 3, EU Stage II emission compliant and Canadian ICES regulation compliant configurations.


Features & Benefits

1

2

3

Chain-Driven Overhead Cam

Provides easier starting, greater power and reduced

emissions than same-class engines, when compared to

older design technologies.

Optimized Capacity Rigid Muffler

Combined with 33 percent fewer moving parts, reduces

noise levels a full 2 dbA below competitive models.

Dual Ball-Bearing Crankshaft Support

Offers greater power delivery to the crankshaft, while

ensuring maximum stability and durability under even the

most demanding loads.

3

4

5

4

2

5.7-7.0 HP

SP-170 | SP-210

5

1

Hemispherical Combustion Chamber

Allows the engine to utilize a higher compression ratio

and, when combined with OHC technology, produces

more power and torque.

Case-Hardened Steel Timing Chain

Provides precision timing, while ensuring maximum

durability.


EA Series

Overhead Cam Vertical Shaft

• PTO Designed for Pressure Washers and

Lawn and Garden Equipment

• Fixed or Cable Remote Throttle Control

• Electric Start

Extra-Large, Extremely Quiet Muffler

More Power. Superior Cooling. Reduced Maintenance. You name it, these engines have

it. What sets Subaru apart? A 100 percent original design – no copycats or knock-offs.

It’s genuine Subaru overhead cam technology. With the Subaru name, you can count on

the performance.

Factory Options

Offers exceptional

noise reduction.

• Flywheel Brake

• Manual Choke, Auto Choke and Primer Options

• Multiple Air Cleaner Options

Extended Oil Fill with Dipstick

Allows easy monitoring

of crucial oil level.

Washable, Oil Foam Air Cleaner

Pleated Paper Type Air Cleaner

Features quick and easy

cleaning capabilities for

long life.

Protects engine from

harmful dirt and debris.

Subaru engine models available in EPA Phase 3, CARB Tier 3, EU Stage II emission compliant and Canadian ICES regulation compliant configurations.


6

3

2

Features & Benefits

1

2

3

Hemispherical Combustion Chamber

Enables a high compression ratio, providing more

power than competitive engines while reducing

fuel consumption.

Uniquely Positioned Intake and Exhaust Valves

Lower resistance to the air/fuel flow for added power

and fuel efficiency, as well as lower emissions.

Chain-Driven Overhead Cams (Dual Cams)

Allow the engine to breathe better and run quieter.

OHC technology, in combination with the hemispherical

combustion chamber, enhances starting ease and

eliminates kickback.

2

1

4

4

5

6

5

4.5 -5.5 HP

EA175V | EA190V

Heavy-Duty Piston and Cast-Iron Cylinder

Enhance durability.

Steel Timing Chain

Reduces maintenance and noise levels. EA engines

operate a full 2 dBA quieter in exhaust tone than

competitors.

Hardened Steel Rocker Arms (2)

Increase durability and reduce maintenance requirements.


Subaru Engines

High Performance

High Power & Torque

Overhead cam (OHC) technology and the hemispherical combustion chamber allow the Subaru EX

engines to use a higher compression ratio up to 9:1.

What is the significance of a higher combustion ratio?

More Power

A more powerful engine makes for more powerful and productive equipment.

Increased Efficiency

Lower fuel consumption and efficient performance reduce operating costs.

Max Power

EX13

Competitor

Easier to Start

What’s the benefit of Subaru’s advanced mechanical decompression system?

Easy Starting

With 30 to 40 percent less recoil pulling force than competitive

models, Subaru engines provide smooth, easy starts. Sure,

all engines start easily when they’re brand new. Subaru OHC

engines continue to start easily even after thousands of hours

of use.

Pulling Force

EX13

Competitor

EX17

Competitor

EX27

EX21

Competitor

EX27

Competitor

0 1 2 3 4 5 6 7 8 (kW)

Competitor

0 3 6 9 12 15 (kgf)

High Compression OHC Design

Compression Release


Lower Emissions

The higher efficiency of the overhead cam (OHC) technology translates to less unused fuel emitted by the engine.

• OHC – Improved combustion characteristics.

• Lower exhaust emissions.

• Reduced fuel consumption.

• Easily meets EPA Phase 3 and CARB Tier 3

emissions standards.

4 kW Class

6 kW Class

Quieter Operation

What’s the benefit of 33 percent fewer moving parts?

Exhaust Emissions HC = NOx

Subaru EX

Subaru EX

Competitor

Competitor

0 2 4 6 8 10 12 (g/HP-hr)

Reduced Mechanical Noise

Subaru engines are a full 2 dbA quieter than competitive models. The noise reduction is most noticeable in the higher frequency range.

Fewer Parts

With fewer parts to wear and break, Subaru OHC engines outlast the competition.

dbA 3m

60

20

Noise/Frequency Measurement

3000 rpm

Competitor

Subaru EX17

00 20k

Hz

Operating dbA Levels

EX13

Competitor

2 dbA

EX17

EX21

Competitor

Competitor

EX27

Competitor

70 82 (dbA)


Engine

Specifications

EX13 EX17

Type Chain-Driven OHC Chain-Driven OHC

Bore X Stroke (mm) 58 x 48 67 x 48

Displacement (cc) 126 169

Maximum Output (HP/RPM) 4.3/4000 SAE Test Code J1349 (Net) 5.7/4000 SAE Test Code J1349 (Net)

Lubrication Type Splash with Chain Carry Splash with Chain Carry

Oil Capacity (oz./cc) 20oz./600cc 20oz./600cc

Fuel Tank Capacity (qt./L) 2.8 qt./2.7 L 3.8 qt./3.6 L

Dimensions (LxWxH) mm 297 x 341 x 318 304 x 354 x 335

Dry Weight (lbs./kg.) 31/14 33/15

EX35 EX40

Type Chain-Driven OHC Chain-Driven OHC

Bore X Stroke (mm) 89 x 65 89 x 65

Displacement (cc) 404 404

Maximum Output (HP/RPM) 12/3600 SAE Test Code J1940 (Gross) 14/3600 SAE Test Code J1940 (Gross)

Lubrication Type Splash with Chain Carry Splash with Chain Carry

Oil Capacity (oz./cc) 40.5oz./1200cc 40.5oz./1200cc

Fuel Tank Capacity (qt./L) 7.4 qt./7 L 7.4 qt./7 L

Dimensions (LxWxH) mm 389 x 450 x 443 389 x 450 x 443

Dry Weight (lbs./kg.) 73/33 73/33

Specifications subject to change without notice. | Always read the owner’s manual before use.


EX21 EX27 EX30

Chain-Driven OHC Chain-Driven OHC Chain-Driven OHC

67 x 60 75 x 60 75 x 65

211 265 287

7.0/4000 SAE Test Code J1349 (Net) 9.0/4000 SAE Test Code J1349 (Net) 9.5/4000 SAE Test Code J1349 (Net)

Splash with Chain Carry Splash with Chain Carry Splash with Chain Carry

20oz./600cc 34oz./1000cc 34oz./1000cc

3.8 qt./3.6 L 6.4 qt./6.1 L N/A

311 x 366 x 335" 351 x 420 x 410 415x 424 x 319

35/16 46/21 40/18

EH09 ER12 EH65V

Overhead Valve Belt-Driven OHC Vertical Overhead Valve

51 x 42 60 x 43 80 x 65

86 121 653

2.8/4200 SAE Test Code J1940 (Gross) 3.5/3600 SAE Test Code J1940 (Gross) 22.0/3600 SAE Test Code J1940 (Gross)

Splash Pressure System Pressure System

10oz./300cc 12oz./350cc 68oz./2000cc

N/A N/A N/A

249 x 299 x 380 228 x 286 x 322 475 x 469 x 353

22/10 22/10 93/13


Engine

Specifications

EH64 EH65

Type Overhead Valve Overhead Valve

Bore X Stroke (mm) 80 x 65 80 x 65

Displacement (cc) 653 653

Maximum Output (HP/RPM) 20.5/3600 SAE Test Code J1940 (Gross) 22.0/3600 SAE Test Code J1940 (Gross)

Lubrication Type Pressure System Pressure System

Oil Capacity (oz./cc) 52oz./1550cc 52oz./1550cc

Fuel Tank Capacity (qt./L) N/A N/A

Dimensions (LxWxH) mm 317 x 477 x 475 317 x 477 x 475

Dry Weight (lbs./kg.) 97/44 101/46

SP-170 SP-210

Type Chain-Driven OHC Chain-Driven OHC

Bore X Stroke (mm) 67 x 48 67 x 60

Displacement (cc) 169 211

Maximum Output (HP/RPM) 5.7/4000 SAE Test Code J1349 (Net) 7.0/4000 SAE Test Code J1349 (Net)

Lubrication Type Splash with Chain Carry Splash with Chain Carry

Oil Capacity (oz./cc) 20oz./600cc 20oz./600cc

Fuel Tank Capacity (qt./L) 3.8 qt./3.6 L 3.8 qt./3.6 L

Dimensions (LxWxH) mm 304 x 354 x 335 311 x 366 x 335

Dry Weight (lbs./kg.) 33/15 35/16

Specifications subject to change without notice. | Always read the owner’s manual before use.


EH72 EH72 LP/NG EH72 FI

Overhead Valve Overhead Valve Overhead Valve

84 x 65 84 x 65 84 x 65

720 720 720

25.0/3600 SAE Test Code J1940 (Gross) 25.0/3600 SAE Test Code J1940 (Gross) 28.0/3600 SAE Test Code J1940 (Gross)

Pressure System Pressure System Pressure System

52oz./1550cc 52oz./1550cc 52oz./1550cc

N/A N/A N/A

317 x 477 x 475 317 x 477 x 475 317 x 477 x 475

101/46 101/46 101/46

EA175V EA190V

Vertical Chain-Driven OHC Vertical Chain-Driven OHC

68 x 48 68 x 52

174 189

4.5/3600 SAE Test Code J1349 (Net) 5.5/3600 SAE Test Code J1349 (Net)

Splash with Chain Carry Splash with Chain Carry

20oz./600cc 20oz./600cc

1 qt./1 L 1 qt./1 L

397 x 360 x 268 425 x 360 x 290

29/13 29/13


History of Innovation

Future of Excellence

Subaru is a division of Fuji Heavy Industries Ltd.,

headquartered in Tokyo, Japan. Fuji is a global

manufacturing company of diversified premium

brand products. Total annual sales exceed $17 billion.

There are four main divisions: Subaru Automotive,

Aerospace, Eco Technologies and the Industrial

Products Division. All divisions share a common

history of innovation that brings added value to the

Company’s premium products.

Subaru industrial engines and equipment have

earned a reputation throughout the world for high

performance and durability in the most demanding

applications. Subaru is the fourth largest engine

manufacturer in the world, with annual production

exceeding 1.2 million engines.

Follow Us!

905 Telser Road

Lake Zurich, IL 60047, USA

tel: 847-540-7300 | toll free: 800-277-6246

email: sales@subarupower.com

web: www.subarupower.com

Advanced engineering, high technical expertise

and state-of-the-art robotic manufacturing

are hallmarks of Fuji, which proactively shares

technology between divisions in order to stay on

the cutting edge, lead competition and provide

customers with outstanding products.

In recent years, Fuji has earned a worldwide

recognition for technical advances in its Subaru

automobiles, such as Subaru’s All Wheel Drive

(AWD) system, horizontally opposed engines and

the turbo-charged 300 horsepower WRX STI

performance car. Fuji has built its solid reputation

on 60 years of success.

Scan on your

mobile device for

more information.

Using an engine indoors can kill you in minutes!

Engine exhaust contains carbon monoxide. This is a

poison you cannot see or smell. Never use inside a home

or garage, even if doors and windows are open. Only use

outside and far away from windows, doors and vents.

PUB-ENGFL rev. 03/2012

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