Practical articles from nearly 20 years of supplying Kobelco parts — written for buyers, not engineers.
Cylinders are the most rebuilt assemblies on a Kobelco and the easiest to get wrong. How to read rod and bore damage, when a tube can be saved, and what to measure before ordering.
Read article → October 7, 2026Swing noise, play and hydraulic creep usually trace to two assemblies that are diagnosed together. How to separate slewing ring wear from centre joint wear, and the numbers to ask for.
Read article → October 7, 2026An operator who cannot work in the cab costs more than the repair. Diagnosing cabin cooling and heating properly, from compressor and condenser through to the blower and heater circuit.
Read article → October 7, 2026Compact Kobelcos work different duty cycles and different owners. Why a mini's parts strategy should differ from a 20-tonne machine's, and what to hold for a compact fleet.
Read article → October 7, 2026Hard starting in cold weather is usually electrical, fuel or compression — in that order. How to diagnose a Kobelco that cranks but will not fire, and the parts that decide it.
Read article → October 6, 2026The -6 and -6E machines are still earning in Africa, the Middle East and Southeast Asia. What differs from the -8 generation, what to verify first, and the numbers we hold.
Read article → October 6, 2026Pump and regulator numbers follow the machine class and generation, not the model badge. The families we hold, what each one fits, and how to confirm the right one.
Read article → October 6, 2026Smoke color is the cheapest diagnostic on the machine. What black, white and blue smoke each point at on Hino-powered Kobelco machines, and the parts each outcome implies.
Read article → October 6, 2026A quarry machine runs three times the hours of a general contractor's unit. What to over-spec, what to hold on the shelf, and where intervals should be shortened.
Read article → October 6, 2026Most repeat failures are assembly failures. The measuring equipment, workshop practice and small parts that turn a rebuild into another 5,000 hours of work.
Read article → October 5, 2026Most hydraulic failures start in the tank, not the pump. How breathing, return filtration and suction protection work together, and the references we hold.
Read article → October 5, 2026Intermittent faults are rarely the component. How connectors, grounds, fuses and harness sections fail, how to test them, and the references we hold.
Read article → October 5, 2026A blocked or leaking exhaust costs power, raises temperature and shortens turbo life. How mufflers, manifolds and gaskets fail, and the references we hold.
Read article → October 5, 2026Cab damage is the most common insurance repair on a working machine. What the door assembly contains, which parts are bought separately, and how to order them.
Read article → October 5, 2026Cylinder head gaskets, rocker cover gaskets and crankshaft seals are where parts ordering most often goes wrong. How multi-marking works, and what to send.
Read article → October 4, 2026Fuel problems rarely announce themselves as fuel problems. How the filtration chain, the suction control valve and the fuel pump fit together, and the numbers we hold by engine family.
Read article → October 4, 2026Overheating is a system, not a single part. How the water pump, thermostat, covers and coolers interact on SK machines, and the numbers we hold for each.
Read article → October 4, 2026Travel motor assemblies are quoted as assemblies — until the second repair. The internal parts that wear, what their symptoms look like, and the references we hold.
Read article → October 4, 2026The same component can carry two or three numbers on one label. Why it happens, how to read a supersession chain, and why a number that returns no result elsewhere may still be correct.
Read article → October 4, 2026The 13-14 tonne class runs a different engine family from the 20 tonne fleet, and that changes the parts list. What to send, and the numbers we hold.
Read article → October 3, 2026The coupling that connects the engine flywheel to the hydraulic pump is one of the least inspected wear items on a Kobelco. Symptoms, inspection steps, and how we supply the replacement.
Read article → October 3, 2026Charging and starting failures ground a machine faster than almost anything. How to identify the alternator and starter fitted to an SK200-8, and how we supply them across grades.
Read article → October 3, 2026Intermittent travel, weak swing priority or a fault code that will not clear — often a solenoid or sensor, not the pump. The common failure points on SK-8 machines and the references we hold.
Read article → October 3, 2026Pins and bushings decide whether a cylinder repair actually feels tight again. How to measure wear on boom, arm and bucket linkage, when to replace, and how to order the set.
Read article → October 3, 2026A dead monitor or a failed switch stops a machine as effectively as a hydraulic fault. What cab electronics fail on SK machines, and how to source replacements that plug in and work.
Read article → October 2, 2026The 35-40 tonne class is where a wrong part number costs the most. What the SK380XD-10, SK380LC-10 and SK390LC-10 share, and the swing, undercarriage and engine numbers we hold.
Read article → October 2, 2026One machine name can hide three different motors. How to read the Kobelco travel and swing motor families from the component plate, and the numbers we hold for each class.
Read article → October 2, 2026When a Kobelco travels slowly, drags on one side or creeps on a slope, the cause is usually in the brake, counterbalance or relief rather than the motor itself. A practical check order.
Read article → October 2, 2026Machines working in water, silt and salt air fail differently from machines on dry ground. What to specify for Kobelco excavators on dredging, port and river maintenance duty.
Read article → October 2, 2026A part that has sat for three years in the wrong place is a used part. How to store seals, filters, hoses, controllers and hydraulic components so the number on the box is still the quality you paid for.
Read article → October 1, 2026Kobelco's 45-50 tonne class runs the Hino P11C engine family. What the SK460-8, SK500-10, SK495D and SK550-10 share, and the filter, sensor and hydraulic numbers held on our shelf.
Read article → October 1, 2026When a Kobelco feels sluggish and the main hydraulics test clean, the pilot circuit is usually the answer. Test order, symptoms and the pilot parts we hold on the shelf.
Read article → October 1, 2026Engine overheating on a Kobelco is usually a cooling-system maintenance problem, not a failed engine. A practical test order plus the thermostat, water pump and cooler numbers we stock.
Read article → October 1, 2026Machines working in 45 C heat, quarry dust and coastal humidity fail differently. Which Kobelco filters, coolers, seals and sensors to specify, and why the intervals must shorten.
Read article → October 1, 2026The parts that decide whether an SK-8 goes another 8,000 hours or becomes a money pit. A staged refresh plan with the component numbers we quote most often.
Read article → September 30, 2026The centre joint feeds travel, swing and attachment oil through a rotating joint. How cross-leakage presents itself, what to test, and how to order the right Kobelco swivel.
Read article → September 30, 2026The SK210 family shares most of its consumables with the SK200-8 and almost none of its highest-value parts. The differences that produce wrong-part orders, and how to check before buying.
Read article → September 30, 2026A rumble and a knock in the swing group have different homes and very different prices. How to separate swing reduction wear from swing bearing wear before authorising either replacement.
Read article → September 30, 2026Undercarriage is the largest consumable on any Kobelco and the easiest to over-order. How the components wear as a system, what to measure, and how to buy the right grade for each position.
Read article → September 30, 2026Cab and comfort parts are small lines that stop a machine being usable in heat or dust. What the Kobelco cab range covers, how the air conditioning circuit fails, and how to order by serial.
Read article → September 29, 2026How SK250-8 and SK260LC-8 parts differ from the 20 tonne class, which systems step up, and the nameplate checks that prevent a wrong generation swing or travel motor.
Read article → September 29, 2026Drift tests, wiper and buffer seal function, rod runout and chrome damage — how to identify which Kobelco cylinder component has failed before a seal kit is quoted.
Read article → September 29, 2026Work through the SK200-8 travel circuit in order — track tension, pilot pressure, travel spools, centre joint, then the GM38VB — before authorising a motor replacement.
Read article → September 29, 2026Short-radius Kobelco machines work a different duty cycle. Which consumables to hold, how SR machines differ, and where to source beyond the Kobelco range.
Read article → September 29, 2026The filter and fluid service points SK-8 fleets plan around, real stock examples of the elements we hold, and why the nameplate decides which element fits.
Read article → September 28, 2026The SK350LC-8 is not simply a longer SK350-8 for parts purposes — the undercarriage scale changes while the upper structure stays big-class. Verified references: M5X180 swing motor LC15V00022F1, K5V140 pump class, HINO J08E engine family, and what to photograph before quoting.
Read article → September 28, 2026Kobelco excavators run HINO engines across the range, and the families do not share service items. Verified records for J05E, J08E and P11C — injectors, cylinder head gaskets, oil pumps, alternators and filters — plus the suffix discipline that prevents a wrong-engine order.
Read article → September 28, 2026Hot hydraulic oil on an SK200-8 is a symptom, not a fault — and it is expensive to guess at. A diagnosis order from airflow and cooler condition through relief settings and internal leakage, with verified SK200-8 references for the pump, regulator and cooler.
Read article → September 28, 2026A used-machine inspection written from the parts side — travel motor and swing nameplates, K3V112DT pump evidence, undercarriage measurement, J05E engine checks and controller identification, converted into a realistic first-year parts budget.
Read article → September 28, 2026What a Kobelco parts enquiry should contain to get a usable quotation, how heavy hydraulic and undercarriage items are packed for sea and air freight, the documentation set, and how consolidation and Incoterms change the landed cost.
Read article → September 27, 2026Diagnosing main control valve (multi-valve) faults on the SK200-8 — spool sticking, relief drift and internal leakage — and how to identify spools, relief valves and repair kits by nameplate evidence.
Read article → September 27, 2026Choosing swing drive parts for the SK200-8 — verified M5X130-class motor numbers YN15V00077F1 / YN15V00055F1 / YN15V00035F1, swing reduction assemblies YN32W00025F1 / YN32W00022F2 / YN32W00019F1, and how motor and reduction are ordered separately.
Read article → September 27, 2026How to select the right turbocharger for the SK200-8's HINO J05E — verified references 787873-5001S / VH241004631A / CSP1VH17201E0A00 / VH17201E0523, Garrett authorized supply, and the inspection points before replacement.
Read article → September 27, 2026Inside the Nabtesco GM38VB travel motor on the SK200-8 — verified internals 800D2103-00 / YN15V00037R420C and C800D2016-00 / YN15V00037S116, assembly numbers YN15V00037F1/F2/F3, and the rebuild disciplines that make the repair last.
Read article → September 27, 2026O-rings, floating seals and hydraulic hoses on Kobelco SK-series machines — how to identify seal kits by cylinder and component, why the floating seal pair is replaced as a set, and the value of consolidating a full-service kit order.
Read article → September 26, 2026K3V112DT pump rebuild parts for the SK200-8 — verified numbers for the assembly (2924610-0030), set plate (2924110-0056) and regulator (29070821-4927), and how to decide repair versus replacement.
Read article → September 26, 2026GM38VB (YN15V00037F1) versus GM38VC (YN15V00083F1): how the SK200-8 and SK200-10 generations differ under the skin, and why cross-generation parts orders fail.
Read article → September 26, 2026Nameplate, serial number, parts diagram, cross-references and supplier photographs — the five-step verification sequence that prevents wrong Kobelco parts orders.
Read article → September 26, 2026What the XD in SK220XD-10 means for parts buyers — GM38VC travel (YN15V00083F1), heavier undercarriage consumption, hydraulic temperature discipline and swing wear in demolition-grade work.
Read article → September 26, 2026How to decide between a top-end and a full overhaul on the SK200-8's HINO J05E — blow-by, oil consumption and compression evidence — plus the verified turbocharger references for the application.
Read article → September 25, 2026SK330-8 / SK350-8 class machines run K5V140 pumps and M5X180 swing motors (LC15V00022F1). A buyer's guide to the big-machine number families.
Read article → September 25, 2026Black smoke, low power, whining — how to diagnose the HINO J05E turbo on an SK200-8, and the assembly numbers (787873-5001S and related) that decide the quote.
Read article → September 25, 2026A practical diagnosis order for SK200-8 electrical faults — sensors, harnesses, solenoid valves and controllers — before expensive parts are swapped.
Read article → September 25, 2026Kobelco part numbers carry their own logic — prefixes, revision suffixes and repair-part codes. A decoding guide using real numbers from a live stock list.
Read article → September 25, 2026Filters on the shelf, wear parts by hours, assemblies by serial number — a practical stocking plan for SK200-8 / SK210-8 / SK330-8 fleets, with an enquiry checklist.
Read article → September 24, 2026SK200-8 / SK210-8 carry a Nabtesco GM38VB travel motor (YN15V00037F1/F2/F3). How to diagnose it and why GM38VC will not fit.
Read article → September 24, 2026SK200-8 / SK210-8 use M5X130 class swing motors (YN15V00077F1/YN15V00055F1/YN15V00035F1) with swing reduction YN32W00025F1/22F2/19F1.
Read article → September 24, 2026SK200-8 class machines run the K3V112DT pump; K5V140 belongs to SK350-8 / SK330-8 class. Why the mix-up happens and how to avoid it.
Read article → September 24, 2026A practical parts-compatibility method for SK200-8 and SK210-8: what is usually shared, what must be verified, and how to check before ordering.
Read article → September 24, 2026The same model name covers several generations of Kobelco machines. A practical guide to reading machine plates, serials and part nameplates before ordering.
Read article → September 17, 2026Practical checks buyers can use to spot counterfeit parts before paying — packaging, markings, machining quality and supplier verification.
Read article → September 17, 2026Hydraulic pump failure is the most expensive breakdown on a Kobelco excavator. A practical maintenance guide for SK200 / SK210 / SK350 owners.
Read article → September 17, 2026A step-by-step guide to finding and quoting Kobelco part numbers correctly — what to send your supplier, and the mistakes that cause wrong parts.
Read article → September 17, 2026bauma CHINA 2026 runs November 23–27 across two Shanghai venues. Shenyue Machinery will be there — as at every edition since 2016. Come see real Kobelco parts and talk to the people who source them.
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