Forklift Repair Cost

2014-2022 Doosan D45S-7 Engine Rebuild / Replacement Cost

A engine rebuild / replacement on a Doosan D45S-7 typically runs $5,750-$20,550 all in. Below is the labor and parts breakdown, what drives the cost up or down, and how to get an exact number for your machine.

75 HP12.5k lbs17-42 labor hrs
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Typical Repair Cost

Doosan D45S-7 engine rebuild

$5,750-$20,550

estimated total, parts and labor

Labor hours

17-42 hrs

Shop rate

$125-$175/hr

Parts

$3,600-$13,200

* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →

What's involved in a Doosan D45S-7 engine rebuild repair

Pulling the engine (or doing an in-frame), inspecting the block, and replacing pistons, rings, bearings, gaskets and seals, or dropping in a reman long block. Tier 4 emissions hardware (DPF, EGR, aftertreatment) adds labor and parts on newer machines.

What affects the cost

The range above moves with these factors. The biggest swing is usually parts source and whether the failure damaged anything downstream.

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Frequently asked questions

How much does a Doosan D45S-7 engine rebuild repair cost?
A engine rebuild / replacement on a Doosan D45S-7 typically runs $5,750-$20,550. That covers about 17-42 hours of labor at a $125-$175/hr shop rate, plus $3,600-$13,200 in parts. Your exact number depends on parts source (OEM vs. reman) and how much collateral damage there is. Get a free custom estimate at equipbook.ai/service/estimate.
How many labor hours is a Doosan D45S-7 engine rebuild job?
Plan on roughly 17 to 42 labor hours for a engine rebuild repair on a Doosan D45S-7. Access and how the machine is configured can push that up or down.
What's involved in a Doosan D45S-7 engine rebuild repair?
Pulling the engine (or doing an in-frame), inspecting the block, and replacing pistons, rings, bearings, gaskets and seals, or dropping in a reman long block. Tier 4 emissions hardware (DPF, EGR, aftertreatment) adds labor and parts on newer machines.
Is it worth fixing the engine rebuild on a Doosan D45S-7?
At $5,750-$20,550, weigh the repair against the machine's current value. A Doosan D45S-7 in good condition is worth far more than this repair, so it usually pays to fix it. Check what your machine is worth first, then decide. Use the free valuation at equipbook.ai/value/doosan-d45s-7.

Before you fix it, know what it's worth

A engine rebuild repair at $5,750-$20,550 is usually worth it on a Doosan D45S-7, but it pays to know the machine's current value first.

See Doosan D45S-7 resale value →