Komatsu S6D95L-1M(S/N 26330-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu S6D95L-1M engine is a 6-cylinder, water-cooled, direct-injection diesel powerplant designed for the WA180-1 wheel loader series. It delivers 110 HP at 2,000 RPM with a maximum torque of 41.5 kgm at 1,500 RPM. The engine features a 4.89L displacement and is mounted in mid-size wheel loaders weighing approximately 34,000 to 35,000 lb. Production years for the WA180-1 series span the late 1990s through the early 2000s. The S6D95L-1M succeeded earlier 4-cylinder variants in the 95 series lineup and was eventually replaced by the SAA6D102E-1C series as emissions standards tightened. Configurations offered include standard industrial, marine, and tunnel variants with specific boost compensator adjustments.
Across the 95 series generations, the primary change was the transition from naturally aspirated and early turbocharged 4-cylinder engines to the more robust 6-cylinder S6D95L-1 platform. This shift provided higher torque density and smoother operation for heavy-duty wheel loader applications. The S6D95L-1M remains significant in the used and parts market because it powers the durable WA180-1 chassis, which is widely available as a cost-effective alternative to newer Tier 4 models. Its mechanical injection system and lack of complex emissions aftertreatment make it highly sought after for rebuild and retrofit in regions with less stringent environmental regulations.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu S6D95L-1M(S/N 26330-UP) specifications
Engine
| Model | S6D95L-1 |
| Configuration | 6-cylinder in-line, water-cooled, direct injection, turbocharged diesel |
| Displacement | 4,890 cm³ (4.89 L) |
| Bore x Stroke | 95 mm x 115 mm |
| Gross/Net Power | 110 HP (82 kW) @ 2,000 rpm (varies by configuration/series; sources also cite 95 HP @ 2,250 rpm and 85 HP @ 2,150 rpm for related variants) |
| Maximum Torque | 41.5 kgm (300 ft·lb) @ 1,500 rpm |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Engine Dry Weight | 425 kg (937 lb) |
Dimensions
| Overall Length | 986 mm (38.8 in) |
| Overall Width | 586 mm (23.1 in) |
| Overall Height | 876 mm (34.5 in) |
Performance
| Travel Speeds | Not documented for this exact serial range — verify with your dealer |
| High Idling Speed | 2,500 ± 50 rpm |
| Low Idling Speed | 700 ± 25 rpm |
| Minimum Fuel Consumption Ratio | 160 g/HPh |
Service capacities (summary)
| Engine Oil Capacity | 12.5 L (3.3 gal) |
| Cooling System Capacity | 18 L (4.8 gal) |
| Fuel Tank Capacity | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System Capacity | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
S6D95L-1M(S/N 26330-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 16.5 L (4.4 US gal) | Komatsu EO 15W-40 or equivalent API CF-spec diesel oil; 15W-40 for general use; 5W-40 synthetic for extreme cold climates |
| Cooling system | Not documented for this exact serial range — verify with your dealer | Komatsu Super Coolant AF-NAC or equivalent ethylene glycol-based heavy-duty coolant |
| Fuel tank | Not documented for this exact serial range — verify with your dealer | Ultra-low sulfur diesel (ULSD) meeting ASTM D975 or EN 590 standards |
| Transmission/powertrain compartments | Not documented for this exact serial range — verify with your dealer | Komatsu HO or equivalent universal trans-hydraulic fluid |
| Final drives (each) | Not documented for this exact serial range — verify with your dealer | Komatsu AXO 80W-90 or equivalent API GL-5 gear oil |
| Hydraulic system AND tank | Not documented for this exact serial range — verify with your dealer | Komatsu TO or equivalent universal hydraulic fluid |
| Axles/differentials | Not documented for this exact serial range — verify with your dealer | Komatsu AXO 80W-90 or equivalent API GL-5 gear oil |
| Grease | N/A | Komatsu grease or equivalent lithium-complex EP2 grade |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu S6D95L-1M(S/N 26330-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the S6D95L-1M(S/N 26330-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA fluid analysis at every 500-hour interval to monitor wear metals and contamination. Check coolant SCA concentration at 500 hours to prevent liner cavitation. Monitor hydraulic oil particle count and viscosity at 1,000 hours to detect pump or valve wear early. Track DEF levels daily on Tier 4 variants to ensure SCR system functionality. Use KOMTRAX telematics to log load frequency and fault codes for trend analysis. Replace fuel filters at 500 hours to protect the mechanical injection pump from debris.
Corrective & Common Repairs
Address turbocharger lag by inspecting the boost compensator diaphragm and actuation pressure. Replace worn piston rings if blow-by exceeds limits during compression tests. Fix hydraulic leaks by replacing O-rings on high-pressure lines and cylinder seals. Repair starting issues by testing the 24V starter motor and battery terminals. Replace cracked cylinder head gaskets if coolant loss is rapid. Inspect the flywheel housing bolts for fatigue cracks under heavy load cycles.
Overhaul & Rebuild Points
Rebuild the engine when compression drops below specification or oil consumption exceeds 1 liter per 10 hours. Replace cylinder liners and main bearings if wear measurements approach factory limits. Overhaul the turbocharger if shaft play exceeds tolerance or blades are damaged. Rebuild the fuel injection pump if idle speed becomes unstable or black smoke persists. Inspect the crankshaft for journal wear and replace if out of round. Replace all gaskets and seals during any major disassembly to prevent leaks.
Seasonal & Environment Servicing
In cold climates, check coolant freeze protection before winter and use lower viscosity oil. Drain water from the fuel separator daily in humid conditions to prevent microbial growth. Clean radiator and oil cooler fins frequently in dusty environments to prevent overheating. Inspect belts and hoses for cracking in high-heat summer operations. Use Komatsu Super-coolant AF-NAC for extended corrosion protection. Check air filter restriction more often in sandy or muddy job sites.
S6D95L-1M(S/N 26330-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 600-311-6220 | Cartridge,Fuel Filter | Fuel system service | Check fitment → |
| 600-311-9600 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30262 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
S6D95L-1M(S/N 26330-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify the voltage at the pin connector |
| CA111 | Internal engine controller fault | ECM internal abnormality | Replace or reprogram the ECM |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail sensor or actual overpressure condition | Diagnose the fuel rail pressure sensor or pump lines |
| CA441 | Battery voltage too low | Alternator or battery failure; voltage regulator issue | Replace the alternator or battery; check the voltage regulator |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issue, or operator misuse | Verify throttle calibration and engine load cycle |
| AA10NX | Air cleaner clogging | Blocked air filter element | Replace the air filter |
| CA122 | Intake air pressure high voltage | Sensor malfunction or wiring issue | Verify the intake pressure sensor and wiring |
| CA123 | Intake air pressure low voltage | Sensor short or airflow restriction | Check for a sensor short or an airflow restriction |
| CA153 | Intake air temperature sensor error (high) | Sensor failure | Replace or test the IAT sensor |
| CA428 | Fuel moisture sensor invalid voltage | Contaminated fuel or sensor harness issue | Ensure a clean fuel supply and check the moisture sensor harness |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
S6D95L-1M(S/N 26330-UP) attachments & work tools
Wheel Loader Attachments
The Komatsu WA180-1 wheel loader is the primary machine application for the S6D95L-1M engine. Factory configurations for this class typically include standard bucket, heavy-duty bucket, and multi-purpose bucket options. Coupler systems vary by configuration/series, with quick-attach mechanisms standard for rapid tool changes.
Excavator Attachments
The S6D95L-1 series engine powers the PC200-5 and PC220-5 excavator families. Standard work tools include digging buckets, trenching buckets, and grading buckets. Hydraulic circuit arrangements require specific flow rates for auxiliary hydraulics to operate breakers or hammers, varying by configuration/series.
Hydraulic System Options
Auxiliary hydraulic kits are available to support work tools requiring high-flow or pilot control. Factory guarding options include high-visibility guards for hydraulic lines and protective shrouds for the engine compartment. Fluid specifications include Komatsu TO or equivalent high-quality hydraulic oil.
Engine & Cooling Options
The S6D95L-1M is a 6-cylinder, water-cooled, direct injection diesel engine. Oil capacity is 16.5 liters (4.4 gallons). Cooling system fluid capacity varies by configuration/series; verify with the operation and maintenance manual for exact liters.
All S6D95L-1M(S/N 26330-UP) assemblies by section
Every catalogued assembly group for the Komatsu S6D95L-1M(S/N 26330-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Cooling System
Komatsu : S6d95l-1m(S/N 26330-Up) : Cooling System : Corrosion Resistor And Piping
| 01***40 | Bolt | 2 |
| 01***65 | Bolt,(With Water Separator) | 2 |
| 01***85 | Bolt | 2 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cooling System : Water Pump And Cooling Fan
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***30 | Bolt,(Water Separator Spec.) | 6 |
Cylinder Block
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***10 | Tappet | 12 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Crankshaft
| 01***16 | Bolt,(With Alternator Cover Type) | 6 |
| 61***11 | Bolt,Nylock (K2) | 1 |
| 61***20 | Collar,Taper | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Cylinder Block
| 01***12 | Bolt | 2 |
| 01***16 | Screw | 4 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Flywheel And Flywheel Housing
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 04***18 | Bolt, Eye | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Front Cover And Gear
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 01***16 | Bolt | 2 |
| 01***20 | Bolt,(With Tachometer Outlet) | 6 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Oil Pan
| 01***16 | Screw | 28 |
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
| 01***10 | Washer,See Fig. K4010-12a0 | 2 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Block : Piston And Connecting Rod
| 04***12 | Ring, Snap | 12 |
| 62***10 | Bolt | 2 |
| 62***20 | Piston (S) | 6 |
Cylinder Head
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Air Cleaner And Mounting
| 01***25 | Grub Screw | 2 |
| 01***60 | Bolt | 2 |
| 01***06 | Nut | 6 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Air Intake Manifold And Connection(#26330-42412)
| 01***50 | Bolt | 1 |
| 01***30 | Screw | 10 |
| 01***45 | Bolt | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Air Intake Manifold And Connection(#42413-)
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 10 |
| 01***30 | Screw | 9 |
| 01***45 | Bolt | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Cylinder Head
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 02***04 | Plug, Pipe | 1 |
| 07***08 | Plug, Expansion | 6 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Cylinder Head Cover
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 04***50 | Screw | 4 |
| 07***80 | Clamp, Drain Hose | 3 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Exhaust Manifold And Turbocharger
| 01***25 | Grub Screw | 4 |
| 01***90 | Bolt,(For Large Fan) | 12 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Muffler And Mounting(#26330-37134)
| 01***20 | Bolt | 2 |
| 01***20 | Stud | 2 |
| 01***35 | Stud | 2 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Muffler And Mounting(#37135-)
| 01***20 | Bolt | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Rocker Arm
| 01***12 | Bolt,(Without R.P.C.U.) | 1 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 8 |
| 61***30 | Nut | 12 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Cylinder Head : Turbocharger
| 62***30 | Turbocharger Ass'Y,(See Fig.0155) | 1 |
| GA***16 | Bolt | 6 |
| GA***35 | Rotor Ass'Y,Center Housing | 1 |
Electrical System
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Alternator (25a) (With Hardening Pulley)
| 60***30 | Alternator A. (25a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Alternator (25a) (With Non Hardening Pulley)
| 60***20 | Alternator A. (25a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Alternator (35a)
| 60***10 | Alternator A. (35a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Alternator And Mouting (25a? 35a)
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Heater Signal
| 60***30 | Signal,Engine Pre Heater | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Staring Motor And Mounting (5.5kw)
| 01***35 | Screw | 3 |
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
| (6***0) | Starting Motor Ass'Y,(See Fig.0661a) (5.5kw) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Electrical System : Starting Motor (5.5kw)
| 60***60 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***30 | Bracket,Center | 1 |
| KD***40 | Washer Ass'Y,(Not Shown) | 1 |
Engine Kit
Komatsu : S6d95l-1m(S/N 26330-Up) : Engine Kit : Gasket Kit
| 01***12 | Washer,Lock? Injection Gear | 1 |
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
Fuel System
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Engine Stop Motor And Mounting
| 01***25 | Screw | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 6 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Filter And Piping
| 01***65 | Bolt,(With Water Separator) | 2 |
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2)
| DK***00 | Adapter | 1 |
| DK***20 | Capsule,Spring | 1 |
| DK***10 | Governor Ass'Y | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***00 | Bushing | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Injection Pump (Pump)
| 62***80 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Injection Pump And Piping
| 01***35 | Stud | 4 |
| 01***25 | Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Fuel System : Fuel Nozzle And Spill Pipe
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***10 | Tube,(See Fig.0421-14) | 5 |
| 07***10 | Tube,Spill | 1 |
Lubricating Oil System
Komatsu : S6d95l-1m(S/N 26330-Up) : Lubricating Oil System : Lubricating Oil Cooler
| 01***25 | Bolt,(With Corrosion Resistor) | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Lubricating Oil System : Lubricating Oil Filter
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 60***40 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Lubricating Oil System : Lubricating Oil Pump And Suction Pipe
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 6 |
| 62***10 | Valve | 1 |
Komatsu : S6d95l-1m(S/N 26330-Up) : Lubricating Oil System : Turbocharger Lubricating Oil Piping
| 01***16 | Screw | 1 |
| 01***20 | Screw | 4 |
| 01***06 | Nut | 1 |
S6D95L-1M(S/N 26330-UP) serial number reference
The engine serial number plate is located on the engine block, typically on the left side near the injection pump. The prefix 'S6D95L-1' identifies the engine model family, generation, and configuration (turbocharged, 6-cylinder, 95mm bore, long stroke). The machine chassis serial number (PIN) is found on the right-hand side of the cab on the lower frame or stamped into the chassis frame casting; for export machines, the 17-character ISO PIN is on the emissions plate. Use the engine serial number to confirm the specific engine revision and the chassis serial number to confirm the machine model and build year.
| Prefix | Identifies | Notes |
|---|---|---|
| S6D95L-1 | Base model S6D95L-1 (applied to S6D95L-1M per shared data) | Identifies the 6-cylinder, water-cooled, turbocharged diesel engine family. The 'L' indicates a long-stroke configuration within the 95mm bore series. The '-1' denotes the specific generation/revision. Data for the base S6D95L-1 is treated as applicable to the S6D95L-1M variant per the provided source documentation which links the two. No specific 3-character PIN prefixes are listed in the engine-specific sources; the 'S6D95L-1' serves as the primary engine model identifier for parts and service cataloging in this serial range (S/N 26330-UP). The 'S' prefix in the engine model indicates turbocharging with an aftercooler (typically water-cooled in this context unless specified as air-to-air 'AA'). The '6' indicates 6 cylinders. The '95' indicates the bore size in millimeters. The 'L' indicates long stroke. The '-1' indicates the generation. Specific 3-character PIN prefixes for the chassis are not detailed in the engine-specific catalogs; the engine serial number itself (starting with S6D95L-1) is the critical identifier for engine parts. For chassis PINs, the standard Komatsu format applies (e.g., KMTPC... for excavators), but specific prefixes for this exact engine/chassis combination are not isolated in the provided text beyond the engine model code itself. |
Frequently asked questions
What is the engine model for the Komatsu S6D95L-1M?
The engine model is the S6D95L-1, a 6-cylinder, water-cooled, direct-injection diesel engine with a 4.89L displacement.
What is the operating weight of the Komatsu WA180-1 wheel loader?
The operating weight of the Komatsu WA180-1 wheel loader is approximately 34,000 to 35,000 lb, varying by configuration and attachment package.
What engine replaced the S6D95L-1M in later Komatsu models?
The SAA6D102E-1C series engine replaced the S6D95L-1M in later Komatsu wheel loader models to meet stricter emissions standards.
What S6D95L-1M(S/N 26330-UP) owners discuss
What are the typical power and torque specifications for the S6D95L-1 engine series?
What are the common hydraulic behaviors and failure modes associated with this engine platform?
What undercarriage and wear patterns are typical for machines equipped with this engine?
What are the known engine quirks and maintenance requirements for the S6D95L-1 series?
What are the common electrical and sensor issues reported by operators?
What should be checked when buying a used machine with the S6D95L-1 engine (S/N 26330-UP)?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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