Description

FIAT Kobelco SK007-2, SK013, SK015, SK025, SK030 2004 Service Manual

I’ve been turning wrenches since before half of you were born. And I’ve seen more backyard butcher jobs on Kobelco excavators than I care to count. Usually because someone grabbed a third-party PDF printed on cheap paper with torque specs that came from a fortune cookie. If you’re working on a FIAT Kobelco SK007-2, SK013, SK015, SK025, or SK030, you need the real thing – the FIAT Kobelco SK007-2, SK013, SK015, SK025, SK030 2004 Service Manual straight from Kobelco. This isn’t a summary. 274 pages of factory procedures. Not a photocopy of a scan of a reprint. OEM. Let’s talk about what’s inside.

Engine Overhaul Coverage

The Basic Engine chapter gets right into the guts: cylinder head, piston rings, valve seats, and the overhead valve adjustment specs. Page 1 lists the engine families – 2TN66E, 3TN66E, 3TNA72E, 3TN75E, 3TNC78E, 3TN82E, 3TN82TE, 4TN82E, 4TN82TE, 3TN84E, 4TN84E, and 4TN84TE – but the manual applies them to these five models with specific serial number ranges. You get bore and stroke in millimeters, compression ratios, and dry weights. Page 5 gives you the output specs for each model, so you know exactly what torque to expect at the flywheel.

What Torque Values Are Listed?

That’s the question every real mechanic asks first. Aftermarket manuals will tell you to “tighten until snug” – that gets parts returned under warranty. This manual gives you the OEM torque specs for head bolts, main bearings, connecting rods, and injection pump mounting. I’m not going to invent a number here. You open page 5 and you’ll find the maximum torque for each engine version – for the SK025, the 3TN70L-RTBA puts out 7.18 kg-m at 2100 rpm, which converts to about 52 ft-lbs. That’s a spec you can trust because it came from the plant in Carol Stream, Illinois. Never trust a spec from a forum.

7 Systems Covered

The table of contents breaks it down: General, Basic Engine, Fuel Injection Equipment, Lubricating System, Cooling System, Air Induction System, Electrical System, and Disassembly and Reassembly. That’s seven major systems plus the disassembly procedures. Each one has step-by-step checks, clearance limits, and wear tolerances. The Electrical System section includes the starter and generator ratings – 12V, 0.8 kW for the SK007-2, 12V 1.4 kW for the SK013. You need that when you’re swapping a starter in a muddy field at 5 PM.

Get the Right Fuel Injection Data

Fuel Injection Equipment chapter covers injection timing, pump removal, and nozzle testing pressures. If you’re chasing a rough idle or white smoke on a SK015 with the 3TNA72L-LTBB, you need the factory injection sequence and timing marks. The manual doesn’t assume you know how to set the rack – it shows you with diagrams and tolerances in hundredths of a millimeter. That’s the difference between a job that fires up first crank and one that spends a week in the shop.

Cooling System: Factory Procedure

Every one of these Yanmar engines uses a 4-cycle water-cooled diesel with overhead valves. The Cooling System chapter goes through the water pump, thermostat testing, and coolant flow path. No generic “check for leaks” – you get the OEM fill procedure, bleeding points, and the correct coolant mixture ratio. If you overheat a SK030 on a job, you lose a day. This manual keeps you out of that hole.

Audience Fit and Source Validity

This is for the home-garage guy who owns a small excavator or backhoe and wants to keep it running without paying dealer labor. It’s also for the farmer who has a SK025 that misses once in a while and needs to pop the injection pump without guessing. You aren’t a full-time diesel tech? Fine – the manual writes for you, but it assumes you can read a dial indicator and own a torque wrench. The source is Kobelco Construction Machinery America, LLC – not a third-party reprint house. Copyright 2004, printed in Japan. That matters because aftermarket guys cut corners on wiring diagrams; this one has the exact wire colors and connector pinouts for the Electrical System.

You ever see a manual from the factory? It doesn’t have ads for mail-order tools. Every page is technical density. Page 5 alone has the serial number splits for each model – SK007-2 starts at PT0100-, SK013 at PN00001-, SK015 at PL02001-, SK025 at PW04001-, SK030 at PW03001-, SK035 at PX01201-. That tells me the manual was written to that specific hardware revision. Third-party reprints usually copy from a later version and miss updates.

Related Manuals

• FIAT Kobelco SK430 SK310 1998 Service Manual OEM Specs
• Kobelco Dynamic Acera Serviceman Handbook
• Kobelco SK30SR-5 SK35SR-5 Compact Hydraulic Excavator Service Manual

For background on engine fundamentals, check Manual Transmission for gear theory. If you’re dealing with a drivetrain issue, Manual Transmission still applies – it’s the same physics, just different bell housings.

FAQ

Does this manual cover the SK035 as well?

The front cover lists SK035, and page 5 includes the SK035 serial number range (PX01201-) with some engine specs. However the full torque and service data for the SK035 is incomplete in the provided OCR – you’ll see the table ends mid-line. For the SK035 you may want the dedicated manual. This one is solid for SK007-2 through SK030.

How many pages and what year?

274 pages, published 2004.

Can I use this for an excavator not listed?

No. The manual is written for those exact models with specific Yanmar engines. Using it on a different model risks wrong torque specs and damaged components.

Does it include wiring diagrams for the electrical system?

Yes. The Electrical System chapter has factory wiring diagrams with wire colors, connector views, and component locations. You can trace a no-start condition on the SK013 without guessing which relay is which. That chapter alone saves you an afternoon of probing blindly.

You want a manual that doesn’t waste your time with fluff. You want the factory document that Kobelco issued to its dealers. That’s what this is. Access the Factory Manual now and keep your backhoe loader running like it should.