Monarch ACGF-5SD Engine Driven Pump & Repair Parts

Monarch ACGF-5SD Engine Driven Pump with 5.5 HP Briggs and Stratton Intek Engine, Cast Iron Casing, Built-In Carrying Handle, and Viton Stainless Steel Mechanical Seal
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Monarch ACGF-5SD Portable Gas Engine Driven Pump

The Monarch ACGF-5SD Engine Driven Pump is the compact workhorse of the ACGF-SD Series, offering the perfect balance of portability and power. Powered by a reliable 5.5 HP Briggs and Stratton Intek engine, this pump is designed for versatility, making it an excellent choice for spot spraying, general water transfer, and light irrigation tasks across a variety of job site and farm applications.

Unlike larger stationary units, the Monarch ACGF-5SD features a built-in carrying handle, allowing for easy transport around the farm, job site, or facility. Despite its compact size, durability is never compromised. The ACGF-5SD is built with a rugged cast iron casing, an enclosed impeller, and Viton and stainless steel mechanical seals for superior resistance to agricultural chemicals and long-term corrosion protection.

Key Features & Benefits

  • Compact Power: Driven by a 5.5 HP Briggs & Stratton Intek engine, equipped with a 3-quart fuel tank and adjustable throttle controls for reliable operation.
  • Ultimate Portability: Specifically designed with a built-in handle and a stamped steel base, making it easy to carry and position wherever water transfer is needed.
  • Chemical Resistance: Fitted with a Viton and stainless steel mechanical seal, ensuring the pump can safely handle mild agricultural chemicals, fertilizers, and pesticides without corroding.
  • Durable Construction: Built with a thick-walled cast iron casing and a gray iron enclosed impeller to withstand pressure and wear significantly better than aluminum alternatives.
  • Standard Connections: Features 2-inch NPT suction and discharge ports, allowing for quick connection to standard hoses and plumbing.
  • Stable Base: The stamped steel base protects the engine and pump components while providing a firm footing during operation.

Applications

The Monarch ACGF-5SD is ideal for applications requiring mobility and durability:

  • Spot Spraying: Perfect for mobile agricultural spraying rigs.
  • Water Transfer: Moving water between tanks or draining small ponds.
  • Booster Service: Increasing line pressure for washing equipment.
  • General Utility: A reliable standby pump for drainage and emergency water removal.

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-5SD portable engine driven pump showing cast iron casing, enclosed impeller, Viton stainless steel mechanical seal, built-in carrying handle, and Briggs and Stratton 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

What engine powers the Monarch ACGF-5SD?

The ACGF-5SD is powered by a 5.5 HP Briggs & Stratton INTEK gasoline engine.

Does this model come with a carrying handle?

Yes, the 5.5 HP and 8 HP models in the ACGF series feature a built-in handle for easy portability.

Does the ACGF-5SD have a Low Oil Shut Off?

No, the Briggs & Stratton powered ACGF-5SD does not include Low Oil Shut Off. This feature is found on the Honda-powered (SDH) models.

Can I use this pump for agricultural chemicals?

Yes, the pump is equipped with a Viton and stainless steel mechanical seal, making it suitable for use with many agricultural chemicals and fertilizers.

Send us your model number and we will confirm fit, price, and availability.

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