Komatsu SAA6D170E-5 Excavator Engine & Spare Parts

SAA6D170E-5 engine specifications and equipment fit

The Komatsu SAA6D170E-5 is a water-cooled, four-stroke inline-six of 23.15 litres with a 170 mm bore and stroke, turbocharging and aftercooling. Komatsu equipment literature shows the engine in several heavy machines with application-specific ratings and emissions hardware. Match parts with the engine serial number and machine model because the same base engine name can cover different peripheral configurations.

• 23.15-litre inline-six with 170 mm bore and stroke.
• Turbocharged and aftercooled; equipment versions may add different emissions systems.
• Machine model and serial range are essential cross-checks.

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SAA6D170E-5 overhaul and service parts

We quote cylinder liners, pistons, rings, bearings, gasket sets, injectors and common-rail components, turbochargers, water pumps, oil pumps, sensors and related service items for confirmed SAA6D170E-5 builds. A repair list should distinguish internal engine parts from machine-specific cooling, intake, exhaust and mounting components.

• Power-cylinder, bearing and sealing components.
• Fuel-injection, turbocharger and electronic-control components.
• Cooling and lubrication pumps plus routine service items.

Data required for a Komatsu parts quote

Send the engine serial number, Komatsu machine model and serial number, existing part number, quantity and destination. If a number is unreadable, provide photos of the complete component, connectors, mounting points and casting marks. We will check the engine and machine references together before confirming the quote.

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SAA6D170E-5 ratings by Komatsu machine

The same 23.15-litre SAA6D170E-5 is rated differently in each Komatsu machine, so confirm the machine model as well as the engine name when ordering fuel-system, turbocharger and control parts. Ratings published in Komatsu product literature:

• HD465-7 / HD605-7 dump trucks: 551 kW (739 HP) gross, 533 kW (715 HP) net at 2,000 rpm.
• PC1250-8 excavator: 502 kW (672 HP) net at 1,800 rpm.
• D375A-6 dozer: 474 kW (636 HP) gross, 455 kW (610 HP) net.
• WA600-6 wheel loader: 374–396 kW (502–530 HP), depending on the market rating standard.

SAA6D170E-5 vs SAA6D170E-7, SAA12V140E-3 and SAA6D140E-5

Large Komatsu machines are often listed under the wrong engine in parts requests. Check the engine nameplate: a newer machine series or a larger model can carry a different engine even when the machine name looks similar.

• SAA6D170E-5: 6 cylinders, 170 × 170 mm, 23.15 L, cooled EGR, Tier 3 / Stage IIIA — PC1250-8, HD465-7, HD605-7, D375A-6, WA600-6.
• SAA6D170E-7: Tier 4 Final successor with Komatsu diesel particulate filters — PC1250-11.
• SAA12V140E-3: 12 cylinders, 30.48 L — PC2000-8, not a 170-series engine.
• SAA6D140E-5: 15.24 L — PC800-8 and similar 140-series machines.

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