Monarch ACGF-11SDH Engine Driven Pump with 11 HP Honda GX340 Engine, Cast Iron Casing, and Viton Stainless Steel Mechanical Seal

Monarch ACGF-11SDH Engine Driven Pump & Repair Parts

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Monarch ACGF-11SDH Engine Driven Pump

The Monarch ACGF-11SDH is a powerhouse in the ACGF-SD Series, engineered for professionals requiring reliable and high-pressure fluid transfer. Powered by the legendary 11 HP Honda GX340 engine, this end-suction centrifugal pump delivers exceptional performance for agricultural spraying, booster applications, and firefighting where dependable operation under pressure is essential.

Constructed with a rugged cast iron casing and a durable cast iron impeller, the Monarch ACGF-11SDH Engine Driven Pump is built to withstand the rigors of daily industrial use. It features superior sealing technology with Viton and stainless steel components, ensuring broad compatibility with agricultural chemicals and providing long-lasting corrosion resistance throughout the life of the pump.

Key Features & Benefits

  • Industrial Honda Power: Driven by an internationally renowned Honda GX340 (11 HP) engine. This commercial-grade engine ensures dependable worldwide service and starts easily every time.
  • Low Oil Protection: Equipped with a Low Oil Shut Off sensor that automatically stops the engine if oil levels drop, preventing catastrophic damage.
  • Chemical Resistant: The pump utilizes a Viton and stainless steel mechanical seal, offering excellent resistance to corrosion from harsh agricultural chemicals and fertilizers.
  • High-Pressure Boosting: The thick-walled cast iron casing is designed to handle high internal pressures, making it ideal for booster service and long-distance water transfer.
  • Standard Connections: Features 2-inch NPT suction and discharge ports, allowing for easy integration with standard piping and hoses.
  • Robust Mounting: A stamped steel base protects the pump and engine unit while facilitating easy, secure mounting to truck beds, skids, or trailers.

Applications

The Monarch ACGF-11SDH is designed for demanding environments, including:

  • Fire Fighting: Reliable high-pressure output for emergency suppression.
  • Agricultural Spraying: Chemical-resistant seals make it perfect for pesticide and fertilizer application.
  • Irrigation Boosting: Provides the necessary head pressure for sprinkler systems.
  • Equipment Washdown: powerful stream for cleaning heavy machinery.

Technical Specifications

Pump & Engine Data

Model No. Item No. HP Suct. NPT Disch. NPT Engine Description Low Oil Shut Off
ACGF-5SD 615103 5 1/2 2″ 2″ Briggs & Stratton INTEK, with 3 qt. fuel tank. NO
ACGF-5SDH 615115 5 1/2 2″ 2″ Honda, with 4 qt. fuel tank. YES
ACGF-8SD 615109 8 2″ 2″ Briggs & Stratton INTEK, with 4 qt. fuel tank. NO
ACGF-8SDH 615117 9 2″ 2″ Honda, with 6 qt. fuel tank. YES
ACGF-11SDH 614170 11 2″ 2″ Honda GX340 YES
ACGF-18SDH 614172 18 2 1/2″ 2 1/2″ Honda GX610, electric start. YES

Performance Chart

Model No. 10 PSI 20 PSI 30 PSI 40 PSI 50 PSI 60 PSI 70 PSI 80 PSI 90 PSI 100 PSI
ACGF-5 115 98 75 52 24
ACGF-8 165 155 140 122 95 60 24
ACGF-11 182 175 165 155 140 125 100 81 55 25
ACGF-18 270 265 260 250 235 210 190 160 125 87

Dimensional Outline

Model No. Suction A (NPT) Discharge B (NPT) Drain C (NPT) 4 Holes Dia. D E F G H J K L M N P Q R S U
ACGF-5SD 2 2 1/4 0.41 3.68 4.82 4.28 16.50 4.10 5.70 11.40 15.90 0.28 10.80 16.40 16.30 11.00 4.92
ACGF-8SD 2 2 1/4 0.41 5.75 6.13 6.50 19.50 3.32 5.50 10.90 17.50 0.63 13.50 19.60 16.80 17.60 6.38
ACGF-11SDH 2 2 1/4 0.41 5.52 6.05 6.36 20.35 4.25 6.06 11.61 18.13 .17 13.50 17.00 12.38 6.32
ACGF-18SDH 2 1/2 2 1/2 1/4 0.44 10.50 18.25 4.78 6.59 7.75 28.00 6.88 24.00 46.00 16.00 9.38

Repair Parts List: ACGF-SD Series

Monarch ACGF-11SDH engine driven pump showing cast iron casing, cast iron impeller, Viton stainless steel seal components, and 11 HP Honda GX340 engine assembly

End Suction Centrifugal Pumps (Gas Engine Driven)

Model Key:

  • a = ACGF-3SD
  • b = ACGF-5SD, ACGF-5SDH
  • c = ACGF-8SD, ACGF-8SDH
  • d = 5ACGF-3SD, 5ACGF-3SDH
Ref.# Code # a b c d Description
1 433181 1 1 1 Handle
1 437799 1 1 1 Handle (irregular shape)
1 433180 1 Handle
1 433183 1 Handle
1 433185 1 Handle
1 433186 1 1 Handle
2 201915 1 1 Engine B & S 5 HP
2 201918 1 Engine B & S 8 HP
2 201950 1 Engine B & S 3.5 HP
2 202001 1 1 Engine Honda 5.5 HP
2 202002 1 Engine Honda 9 HP
3 437833 1 1 Casing 1-1/4 x 1-1/2
3 437831 1 1 1 Casing 1-1/2 x 2
3** 437839 1 1 Casing 2 x 2
4 433171 1 1 Impeller 5.3 dia. 5/8″ thread
4 433142 1 1 Impeller 6.1 dia. 5/8″ thread
4 437788 1 Impeller 6.4 dia. 1″ thread
5* 193917 1 1 Gasket 1/32″ thick
5* 198996 1 1 1 “O” Ring
6* 240344 1 1 1 Mechanical Seal 3/4 I.D.
6* 240359 1 Mechanical Seal 1-1/4 I.D.
7 266000 1 1 1 Sleeve 3/4 O.D. 1.6″ long
7 266005 1 Sleeve 1-1/4 O.D. 2.1″ long
8 437793 1 1 Adapter
8 437771 1 1 Adapter
8 437792 1 Adapter
9* 191142 1 1 Flinger
9* 191141 1 1 Flinger
9* 194140 1 Flinger
9* 191272 1 Flinger
10 185620 2 3 3 3 Drain Plug 1/4″ NPT Galv.
11 172981 4 4 4 4 Stud 3/8 UNC x 1 1/2 SST
12 414140 1 1 1 Baseplate
12 414141 1 1 Baseplate (with indentation)
12 414143 1 Baseplate
12 414151 1 1 Baseplate
13 176230 4 4 4 4 Spring washer 3/8 Zn. Pl.
14 185910 1 1 Pipe Plug 1/8″
15 225963 4 4 4 Bolt 5/16 UNF x 3/4 SST
15 225971 2 Bolt 5/16 UNC x 7/8
15 269690 2 Bolt 5/16 UNF x 1 Zn. Pl.
16 199001 4 4 4 Seal washer TW 5/16″
16 176220 4 8 4 Spring washer 5/16 Zn. Pl.
17 227820 4 4 4 4 Nut 5/16 UNC Zn. Pl.
18 174990 4 Spring washer 5/16 Zn. Pl. (Honda only)
18 176220 4 4 8 4 Spring washer 5/16 Zn. Pl.
19 226000 4 4 4 4 Bolt 5/16 UNC x 1-1/2 Zn. Pl.
19 226010 4 Bolt 5/16 UNC x 1-3/4 Zn. Pl.
20 227830 4 4 4 4 Nut 3/8 Zn. Pl.

Frequently Asked Questions

Which engine comes with the Monarch ACGF-11SDH?

The ACGF-11SDH is powered by the commercial-grade Honda GX340 (11 HP) gasoline engine.

Does the Honda GX340 engine have a low oil sensor?

Yes, this model features a Low Oil Shut Off system that automatically cuts the engine if oil levels are unsafe.

What are the connection sizes for suction and discharge?

The pump is equipped with 2-inch NPT threaded connections for both the suction and discharge ports.

Is this pump suitable for agricultural chemicals?

Yes, the ACGF series uses a Viton and stainless steel mechanical seal, specifically chosen for its excellent resistance to agricultural chemicals.