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ProductsPumps & UnitsDiesel Units605 Series Diesel Units
605 Series Diesel Water Jet Pump System
605 Series Diesel Water Jet Pump System

605 Series Diesel Units

What does one do with a pump that has 600 hp (447 kW) and pressures to 40,000 psi? Why, whatever one wants. The 605 Series diesel-powered units are the 800 pound gorillas of the water blasting world. With power and flexibility to spare, if your application can’t be tackled by one of these units, it can’t be tackled at all. Models are available ranging in horsepower from 475 to 600 hp (354-447 kW) and with pressure from 4,000 to 40,000 psi (275-2,800 bar).

These units are all built around the 605 convertible pump. This pump, with its quick-change, in-line fluid end design, has fewer parts for increased operating efficiency and simpler maintenance. And, it requires only a simple conversion kit to operate at pressures between 4,000 and 40,000 psi (275 and 2,800 bar).

‘The NLB 605 Series units are built to the exacting standards that have made NLB equipment the contractors choice for over 50 years. All operating controls, including the pressure-compensating by-pass valve and pressure gauge with snubber, are mounted on a separate accessory manifold, which provides additional protection for these important components.

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605 Compact Series Diesel
NLB 605 – Diesel

605 Series Units

Part Numbergpmlpmpsibar
Model 605 - 600 hp (447 kW)
4605D2007574,000275

$1.00 Add to Quote

6605D1435416,000415

$1.00 Add to Quote

8605D1074058,000550

$1.00 Add to Quote

10605D8632610,000700

$1.00 Add to Quote

15605D5721615,0001,000

$1.00 Add to Quote

15605D Compact5721615,0001,000

$1.00 Add to Quote

20605D4316320,0001,400

$1.00 Add to Quote

20605D Compact4316320,0001,400

$1.00 Add to Quote

35605D259335,0002,450

$1.00 Add to Quote

35605D Compact259335,0002,450

$1.00 Add to Quote

40605D228340,0002,800

$1.00 Add to Quote

40605D Compact228340,0002,800

$1.00 Add to Quote

Model 525 - 525 hp (391 kW)
4525D1806814,000275

$1.00 Add to Quote

6525D1294886,000415

$1.00 Add to Quote

8525D973678,000550

$1.00 Add to Quote

10525D7729110,000700

$1.00 Add to Quote

15525D5219715,0001,000

$1.00 Add to Quote

20525D3914920,0001,400

$1.00 Add to Quote

35525D228435,0002,450

$1.00 Add to Quote

40525D207540,0002,800

$1.00 Add to Quote

Model 475 - 475 hp (354 kW)
4475D1606054,000275

$1.00 Add to Quote

6475D1144316,000415

$1.00 Add to Quote

8475D863268,000550

$1.00 Add to Quote

10475D6926110,000700

$1.00 Add to Quote

15475D4617415,0001,000

$1.00 Add to Quote

20475D3412920,0001,400

$1.00 Add to Quote

35475D207435,0002,450

$1.00 Add to Quote

40475D186540,0002,800

$1.00 Add to Quote

Powerful Performance in Confined Spaces

The NLB 605 Compact Unit brings the full strength of the trusted 605 diesel series into a more agile, low-profile package designed for tight spaces. With up to 600 horsepower (447 kW) and 40,000 psi (2,800 bar), this heavy-duty unit delivers the same reliability and power as the full-size 605 while fitting into areas where larger units simply won’t go. Its compact footprint and lower profile make it ideal for refineries, chemical plants, and other facilities with limited clearance.

Built around the proven 605 diesel pump, the 605 Compact features optimally placed controls for safe and convenient operation, allowing operators to manage the full system right at their fingertips. Towable with just a 1-ton truck, this unit is ready for quick transport between jobs without sacrificing the performance or durability expected from NLB equipment.

Designed specifically for confined environments, the 605 Compact eliminates the need for scaffolding and simplifies setup, while heavy-duty construction ensures it can handle even the most demanding industrial cleaning tasks. Available for sale, rent, or rent-to-own, the NLB 605 Compact Unit delivers legendary NLB power in a smarter, more versatile package.

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VIew Other Pumps & Units

125 Series Diesel Units

175 Series Diesel Units

These units deliver 200–350 hp and up to 40,000 psi for versatile water blasting. Designed for tough jobs, they feature a durable convertible pump that increases efficiency and simplifies maintenanc…

225 Series Diesel Units
325 Series Diesel Units

1005 Series Diesel Units

Have Questions?

Reach Out to Our Expert Team Today!

At NLB, we're dedicated to assisting you. If you're uncertain about which product is best for your application, our team is ready to help you find the perfect solution. If we need to customize a product to fit your specific needs, we're prepared to do so! Simply give us a call or fill out the form, and one of our experts will be in touch with you shortly.

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