Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed - Horizontal-Mount Gas Engine Direct-Drive Pressure Washer Pumps
A.R. NORTH AMERICAHorizontal-Mount Gas Engine Direct-Drive Pressure Washer Pumps

A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed

The A.R. NORTH AMERICA RKA4G40HN-PKG is a horizontal-mount gas engine direct-drive pressure washer pump with a solid shaft and triplex piston design. It features an oil bath lubrication system, a maximum flow rate of…

SKU 3G-OTH-95151

Also listed as: RKA4G40HNPKG · RKA4G40HN PKG

Brand
A.R. NORTH AMERICA
Item
Pump: 4 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed
Category
Horizontal-Mount Gas Engine Direct-Drive Pressure Washer Pumps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

A.R. NORTH AMERICA
Manufacturer Part Number
RKA4G40HN-PKG
Type
Horizontal Gas Engine
Shaft Type
Solid
Flange Type
Horizontal Gas Engine
Lubrication
Oil Bath
Power Source
Solid Shaft
Piston Design
Triplex
Max. Motor Speed
1,750 RPM
NORTH AMERICA Pump
4 gpm Max. Flow Rate
Intake Connection Type
FNPT
Discharge Connection Type
NPT

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

A.R. NORTH AMERICA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The A.R. NORTH AMERICA RKA4G40HN-PKG is a horizontal-mount gas engine direct-drive pressure washer pump with a solid shaft and triplex piston design. It features an oil bath lubrication system, a maximum flow rate of 4 gpm, and a maximum motor speed of 1,750 RPM. The pump has an FNPT intake connection and an NPT discharge connection.

Frequently Asked Questions

What is the A.R. NORTH AMERICA RKA4G40HN-PKG pump used for?

The A.R. NORTH AMERICA RKA4G40HN-PKG is a horizontal-mount gas engine direct-drive pressure washer pump used for high-pressure cleaning in industrial, agricultural, and municipal applications. Its triplex piston design and oil bath lubrication deliver reliable performance for demanding wash-down and surface preparation tasks.

What are the specifications of the A.R. NORTH AMERICA RKA4G40HN-PKG pump?

The A.R. NORTH AMERICA RKA4G40HN-PKG pump has a maximum flow rate of 4 gpm, a maximum motor speed of 1,750 RPM, and a solid shaft. It features an FNPT intake connection, an NPT discharge connection, oil bath lubrication, and a triplex piston design. The flange type is horizontal gas engine.

Where to buy the A.R. NORTH AMERICA RKA4G40HN-PKG pump worldwide?

3G Electric supplies the A.R. NORTH AMERICA RKA4G40HN-PKG pump to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this pump.

How to install a horizontal-mount gas engine direct-drive pressure washer pump?

To install a horizontal-mount gas engine direct-drive pump like the A.R. NORTH AMERICA RKA4G40HN-PKG, align the pump shaft with the engine output shaft using a flexible coupling. Ensure the pump is securely bolted to a rigid base, connect the intake and discharge lines with compatible fittings, and fill the oil bath to the correct level before starting.

Used in

Common applications for A.R. NORTH AMERICA
Industrial cleaning — A.R. NORTH AMERICA direct-drive pumps (e.g., RMV25G30D-EZ-PKG) for high-pressure water cleaning of machinery and floors
Construction site maintenance — A.R. NORTH AMERICA gas engine pumps (e.g., RKV4G40HD-F24-PKG) for removing concrete residue and dirt from equipment
Fleet vehicle washing — A.R. NORTH AMERICA hydraulic-drive pumps (e.g., HYD-RK1520-PKG) for mobile pressure washers in truck and bus depots
Facility exterior cleaning — A.R. NORTH AMERICA belt-driven pumps (e.g., RCA3G25E-F8-PKG) for building facade and parking lot pressure washing
Equipment rental — A.R. NORTH AMERICA triplex pumps (e.g., RKA4G40HN-PKG) for rental pressure washers used in commercial and residential applications

A.R. NORTH AMERICA Products

3G Electric supplies A.R. NORTH AMERICA horizontal-mount gas engine direct-drive pressure washer pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
A.R. NORTH AMERICA Pump: 4.75 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RK1828HN-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 4.75 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RK1828HN-PKG)
A.R. NORTH AMERICA Pump: 3.96 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RK1528HN-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 3.96 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RK1528HN-PKG)
A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 3,400 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RKV4G40HD-F24-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 3,400 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RKV4G40HD-F24-PKG)
A.R. NORTH AMERICA Pump: 4.2 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RKASS4.2G15N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 4.2 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RKASS4.2G15N-PKG)
A.R. NORTH AMERICA Pump: 7.92 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XW3025N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 7.92 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XW3025N-PKG)
A.R. NORTH AMERICA Pump: 8 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XWAM8G35N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 8 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XWAM8G35N-PKG)

More from A.R. NORTH AMERICA

View all A.R. NORTH AMERICA parts
A.R. NORTH AMERICA Pump: Direct-Mount, 2 gpm Max. Flow Rate, 3,400 RPM Max. Motor Speed, 1/2 in (MPN RCV2G25E-F8-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: Direct-Mount, 2 gpm Max. Flow Rate, 3,400 RPM Max. Motor Speed, 1/2 in (MPN RCV2G25E-F8-PKG)
A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 3,400 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RRV4G40HD-F24-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 3,400 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RRV4G40HD-F24-PKG)
A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RRA4G30E-F17-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 4 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Horizontal Gas Engine (MPN RRA4G30E-F17-PKG)
A.R. NORTH AMERICA Pump: 11.09 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XWL42.15N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 11.09 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XWL42.15N-PKG)
A.R. NORTH AMERICA Pump: 3 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Ceramic, 24 mm Solid (MPN RCA3G25N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 3 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Ceramic, 24 mm Solid (MPN RCA3G25N-PKG)
A.R. NORTH AMERICA Pump: 2.5 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Ceramic, 24 mm Solid (MPN RCA25G25N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 2.5 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, Ceramic, 24 mm Solid (MPN RCA25G25N-PKG)
A.R. NORTH AMERICA Pump: Direct-Mount, 3 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, 1/2 in (MPN RCA3G25E-F8-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: Direct-Mount, 3 gpm Max. Flow Rate, 1,750 RPM Max. Motor Speed, 1/2 in (MPN RCA3G25E-F8-PKG)
A.R. NORTH AMERICA Pump: 5.55 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XWM2128N-PKG)
A.R. NORTH AMERICA
A.R. NORTH AMERICA Pump: 5.55 gpm Max. Flow Rate, 1,450 RPM Max. Motor Speed, Horizontal Gas Engine (MPN XWM2128N-PKG)