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Komatsu SA6D102E-1C-35(S/N 26200467-UP)

Maintenance schedule, common problems & OEM parts breakdown

Search live SA6D102E-1C-35(S/N 26200467-UP) parts

The Komatsu SA6D102E-1C-35 engine is a water-cooled, 4-cycle, direct-injection diesel unit powering the Komatsu PC220LC-6 hydraulic excavator family. This machine class operates in the mid-size earthmoving segment with an operating weight range of 20,000 to 60,000 lbs (9,182 to 27,215 kg). Production for the PC220LC-6 series spanned approximately 1998 to 2003. The SA6D102E-1C-35 succeeded earlier 102-series variants and was replaced by the SAA6D102E-2 engine in the subsequent PC220LC-7 generation. Configurations included standard and long-carriage (LC) undercarriage options, catering to varying stability and reach requirements.

Across the 102-series generations, the primary change was the transition from the naturally aspirated or early turbocharged 102-1 variants to the more refined 102-2 emissions-compliant engines. The SA6D102E-1C-35 specifically denotes a turbocharged, water-cooled aftercooled configuration for the PC220LC-6. This engine remains critical in the used and parts market because the PC220LC-6 is a high-volume workhorse with extensive global deployment. Its widespread use ensures a robust supply of remanufactured components and aftermarket support, making it a cost-effective powertrain choice for fleet managers maintaining older mid-size excavators.

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 SA6D102E-1C-35(S/N 26200467-UP) specifications

Engine

Model	SA6D102E-1C-35
Series/Generation	102-1 series
Type	Water-cooled, 4-cycle, direct injection, turbocharged, aftercooled
Cylinders	6
Emissions Tier	Tier 3 / Stage IIIA
Flywheel Horsepower	82 kW (110 HP) @ 2,300 rpm

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
Ground Pressure	Not documented for this exact serial range — verify with your dealer

Dimensions

Transport Length	Not documented for this exact serial range — verify with your dealer
Transport Width	Not documented for this exact serial range — verify with your dealer
Transport Height	Not documented for this exact serial range — verify with your dealer
Track Gauge	Not documented for this exact serial range — verify with your dealer
Ground Clearance	Not documented for this exact serial range — verify with your dealer

Performance

Travel Speed	Not documented for this exact serial range — verify with your dealer
Gradeability	70% (35°)
Dig/Dump/Lift/Drawbar	Not documented for this exact serial range — verify with your dealer

Service capacities (summary)

Fuel Tank	Not documented for this exact serial range — verify with your dealer
Hydraulic System	Not documented for this exact serial range — verify with your dealer
Engine Oil	Not documented for this exact serial range — verify with your dealer
Cooling System	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.

Komatsu SA6D102E-1C-35(S/N 26200467-UP) maintenance schedule

Service interval	Tasks
Every 10 h	Check engine oil level and condition. Check hydraulic fluid level at sight glass. Check coolant level and ensure cap is secure. Check fuel level and drain water from separator. Check DEF level on Tier 4 machines. Check air filter restriction indicator.
Every 250 h	Change engine oil and filter. Grease all points on boom, stick, bucket, and swing bearing. Inspect air cleaner outer element. Inspect belts, hoses, and clamps. Check track tension and shoe/pad condition. Check for fluid leaks under machine.
Every 500 h	Replace fuel filter and drain water separator. Replace hydraulic return filter. Test battery and alternator load. Test coolant SCA concentration. Collect KOWA hydraulic oil sample. Measure undercarriage wear visually.
Every 1,000 h	Clean or replace air filter outer element. Change final drive oil on both sides. Inspect turbocharger. Check swing machinery oil level. Inspect structural welds on boom and stick. Check valve adjustment.
Every 2,000 h	Change hydraulic system oil. Flush and replace coolant. Replace worn belts, hoses, and clamps. Perform comprehensive structural inspection. Check KDPF status. Change swing machinery oil.

Servicing the SA6D102E-1C-35(S/N 26200467-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Komatsu Oil Wear Analysis (KOWA) at every 500-hour interval to monitor engine wear metals and hydraulic system contamination. Track ISO cleanliness levels in the hydraulic oil to prevent pump and valve degradation specific to the PC220LC-6 closed-center system. Monitor coolant SCA concentration levels to ensure proper corrosion inhibition for the SA6D102E-1C-35 water jacket. Analyze fuel dilution and soot levels in the engine oil to detect injector or piston ring wear early. Use KOMTRAX telematics data to correlate load frequency with fluid degradation rates for optimized sampling windows.

Corrective & Common Repairs

Address frequent PC220LC-6 issues by inspecting the turbocharger housing for oil leaks and checking the intercooler for debris blockage. Replace worn track rollers and idlers on the undercarriage to maintain proper tension and reduce drivetrain strain on the SA6D102E-1C-35. Repair hydraulic hose cracks near the boom base, a common failure point due to flexing. Check the fuel water separator for clogging to prevent injector damage. Inspect the swing bearing for play and repair loose bolts to prevent case damage. Verify electrical connections at the engine controller to resolve E10 or E11 fault codes.

Overhaul & Rebuild Points

Plan the SA6D102E-1C-35 inframe overhaul when compression drops below specification or oil consumption exceeds limits. Replace cylinder liners, pistons, and rings during the major rebuild.

Seasonal & Environment Servicing

In cold climates, use low-temperature Komatsu diesel engine oil and ensure the coolant mixture provides adequate freeze protection. Drain the fuel water separator daily to prevent ice formation in the lines. In hot environments, clean the radiator and oil cooler fins frequently to prevent SA6D102E-1C-35 overheating. Check the fan belt tension and replace if glazed. Inspect the hydraulic oil cooler for leaks. Use high-temperature grease for undercarriage pins and bushings in dusty conditions. Monitor the air filter restriction indicator more frequently in high-dust applications.

SA6D102E-1C-35(S/N 26200467-UP) common service parts

Part number	Part	Notes
6732-71-6111	Filter, Fuel - Secondary	Fuel system service	Check fitment →
07281-00197	Clamp,(With Pre-Fuel Filter)	Fuel system service	Check fitment →
600-181-6740	Element Assembly, Innner And Outer Air Cleaner	Air intake service	Check fitment →
09637-30163	Plate? Instruction,Air Cleaner (Single Element)	Air intake service	Check fitment →
09637-01163	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.

SA6D102E-1C-35(S/N 26200467-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
CA441	Battery voltage too low	Weak battery, failing alternator, or loose connections	Replace the alternator or battery; check the voltage regulator
CA442	Battery voltage too high	Faulty voltage regulator or alternator overcharging	Replace the alternator or battery; check the voltage regulator
CA122	Intake air pressure sensor feedback voltage too high	Sensor malfunction or wiring short	Verify the intake pressure sensor and wiring
CA123	Intake air pressure sensor feedback voltage too low	Sensor short or airflow restriction	Check for a sensor short or an airflow restriction
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
CA452	Common rail pressure sensor feedback value too low	Sensor malfunction or fuel supply issue	Diagnose the fuel rail pressure sensor or pump lines
CA234	Engine overspeed	Throttle calibration error, engine load cycle issue, or operator misuse	Verify throttle calibration, engine load cycle, or operator misuse
AA10NX	Air cleaner clogging	Dirty or blocked air filter element	Replace the air filter
B@BCNS	Engine coolant overheating	Low coolant level, blocked radiator fins, or fan belt failure	Check radiator fins, fan belt, and coolant level

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

SA6D102E-1C-35(S/N 26200467-UP) attachments & work tools

Excavator Attachments

The SA6D102E-1C-35 engine powers the PC220LC-6 excavator series, which utilizes standard quick coupler systems for bucket and tool interchangeability. Typical bucket capacities for this class range from 0.8 to 1.5 cubic meters (1.0 to 2.0 cubic yards), varying by configuration/series based on material density and stick length. Factory guarding options include reinforced bucket edges and side cutters for heavy-duty excavation applications.

Wheel Loader Attachments

This engine is installed in the WA320-3 wheel loader, which employs a standard pin-on or quick-attach mounting system for buckets and forks. Typical bucket capacities for this size class range from 2.5 to 3.5 cubic meters (3.3 to 4.6 cubic yards), varying by configuration/series depending on the specific loader model variant. Notable factory configurations include high-lift booms and specialized grading buckets for material handling.

Hydraulic System Requirements

Work tools requiring auxiliary hydraulics must match the machine's flow and pressure ratings, which vary by configuration/series for the PC220LC-6 and WA320-3 platforms. Hydraulic kit arrangements typically include dual-circuit lines for breakers or mulchers, with flow rates generally supporting standard mid-size attachments. Verification of specific hydraulic connections is required against the machine's serial plate to ensure compatibility with the SA6D102E-1C-35 engine's power take-off capabilities.

Engine Identification & Series

The SA6D102E-1C-35 engine (S/N 26200467-UP) is a turbocharged, aftercooled diesel unit specific to the PC220LC-6 and WA320-3 models. It differs from the SA6D102E-1C and SA6D102E-1B variants by specific emission and mounting configurations documented for this serial range. Factory spec sheets confirm this engine designation for the specified serial number range, distinct from the SA6D102E-1-GD or SA6D108-1A-C variants.

All SA6D102E-1C-35(S/N 26200467-UP) assemblies by section

Every catalogued assembly group for the Komatsu SA6D102E-1C-35(S/N 26200467-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine

Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : After Cooler And Air Connector(#26203638-)

07***08	Plug,(Without Auto Priming System)	1
67***30	Plug, Pipe (1/8 Nptf)	3
67***10	Clamp, Hose	2
67***50	Bolt	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : After Cooler Cover

20***40

Cover,(For Slag Handling)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Aftercooler Water Piping(#26200467-26280462)

07***12	Gasket,(Without Air Compressor Type) (K1)	1
07***09	Plug,(For 2-Actuater Attachment)	1
07***89	Clamp,(For Japan)	6
67***90	Spacer, Mounting	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Aftercooler Water Piping(#26280463-)

07***89	Clamp,(For Japan)	6
67***40	Hose	1
67***50	Tube	1
67***10	Coupling	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Air Cleaner (Forwarded Individually Parts)(#26201322-26256917)

60***90	Valve,Dust	1
60***40	Element Assembly, Innner And Outer Air Cleaner	1
60***20	Element Assembly, Outer	1
60***40	Gasket,Wing	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Air Cleaner (Forwerded Individually Parts)(#26256918-)

60***90	Valve,Dust	1
60***40	Element Assembly, Innner And Outer Air Cleaner	1
60***20	Element Assembly, Outer	1
60***40	Gasket,Wing	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Air Intake Heater

67***10	Plug, Pipe (1/2-14 Npt)	1
67***10	Gasket, Intake Manifold Cover	1
67***11	Gasket, Int Manifold Cover	1
67***12	Gasket, Intake Manifold Cover	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Alternator (35a) (Inner Parts)(#26201322-)

60***10	Alternator A. (35a),(See Fig.A601p-02a1)	1
ND***10	Cover,Rear	1
ND***30	Collar,Stud	1
ND***60	Frame,Rear	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Alternator (35a)(#26201322-)

60***10

Alternator A. (35a),(See Fig.A601p-02a1)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Alternator Bracket(#26201322-)

01***95	Bolt (M10-1.50x95)	1
01***16	Washer,(For Shipping Parts)	1
67***60	Bolt, Mounting (M8-1.25x25)	2
67***30	Bolt, Hex Cap (M8-1.25x30)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Alternator Drive Pulley(#26201322-)

67***20	Support Ass'Y	1
67***70	Bolt, Mounting (M8-1.25x40)	4
67***10	Hub, Fan	1
67***20	Bearing, Ball	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Belt Tensioner (For 35a Alternator)(#26201322-)

67***10	Tensioner,Belt	1
67***60	Bolt, Mounting (M8-1.25x25)	1
67***20	Bolt (M10x1.50x70)	1
67***30	Tensioner, Belt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Boost Tube(#26233100-)

07***12	Gasket,Injection Pump Piping	2
67***10	Screw, Banjo Connector (M12x1.50x24)	1
67***60	Adapter, Female	1
67***70	Tube,Boost	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Breather Hose(#26201322-)

01***25	Bolt,(With Corrosion Resistor)	1
07***20	Clamp, Spring Hose	1
07***78	Hose	1
62***60	Distance Piece	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Camshaft

67***20	Support, Camshaft Thrust	1
67***31	Gear, Camshaft	1
67***60	Bolt (M8x1.25x22)	2
67***80	Key, Plain Woodruff (4.0mm)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Caution Plate (English)(#26201322-26257428)

09***63	Plate? Instruction,Air Cleaner (Single Element)	1
67***11	Plate? Name	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Caution Plate (English)(#26206845-26258796)

67***11

Plate? Name

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Caution Plate (English)(#26258797-)

67***11

Plate? Name

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Caution Plate (For Regulation Of Epa)(#26258797-)

67***70

Plate,Name

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Caution Plate (Japanese-Emglish)(#26260760-)

67***20

Plate? Name

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Caution Plate (Japanese-English)(#26235571-26257428)

09***61	Plate? Instruction,(Japanese-English) (Not Shown)	1
09***63	Plate? Instruction,Air Cleaner (Double Element)	1
67***20	Plate? Name	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Ceramic Muffler Related Parts (Forwarded Individually Parts)(#26219581-26257420)

07***45	Hose	1
61***70	Tube	1
61***10	Monitor Ass'Y	1
61***50	Sensor,Exhaust Pressure	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Cooling Fan(#26201322-)

01***30	Bolt,(Water Separator Spec.)	6
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	6
01***30	Bolt,(Water Separator Spec.)	6
60***20	Fan,Cooling	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Crank Pulley (Hardening)(#26243073-)

01***90	Bolt,(For Large Fan)	4
67***11	Spacer	1
67***80	Pulley,Hardening	1
67***81	Pulley,Hardening	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Crank Pulley(#26201322-26228580)

01***90	Bolt,(For Large Fan)	4
04***45	V-Belt Set,Fan	1
67***11	Spacer	1
67***80	Pulley	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Crank Pulley(#26228581-26243072)

01***90	Bolt,(For Large Fan)	4
67***11	Spacer	1
67***10	V-Belt,Fan	1
67***80	Pulley	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Crankshaft

67***50	Gear, Crankshaft	1
67***11	Gear, Crankshaft	1
67***10	Crankshaft Ass'Y	1
67***10	Main Metal Ass'Y	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Cylinder Block Blind Cover(#26241445-)

67***20	Bolt, Flange (M8-1.25x20)	2
67***10	Gasket, Cover Plate	1
67***11	Gasket, Cover Plate	1
67***11	Plate, Cover	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Cylinder Block Blind Plug(#26201322-)

67***60

Plug, Expansion (Not Used With Side Oil Fill)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Cylinder Block(#26228574-)

62***10	Screw	1
62***10	Seal, O-Ring (M10-1.00)	3
67***70	Cylinder Block Ass'Y	1
67***10	Kit, Block Hardware	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Cylinder Head(#26201322-)

67***70	Head Ass'Y	1
67***10	Retainer, Exhaust Valve Spring	12
67***70	Insert, Exhaust	6
67***80	Insert, Intake	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Damper

67***20	Bolt (M12x1.25x36)	4
67***20	Damper, Rubber Vibration	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Exhaust Connector Clamp

67***20

Clamp,Turbocharger Outlet Pipe

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Exhaust Manifold Gasket

67***30	Bolt, Mounting (M10x1.50x65)	12
67***20	Gasket, Exhaust Manifold	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Exhaust Manifold(#26201322-)

67***20

Manifold,Exhaust

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fan Belt Tension Pulley(#26206845-26243072)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2
01***10	Bolt	2
01***08	Nut,(For Canvas Canopy?Head Guard)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fan Belt Tension Pulley(#26243073-26253456)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2
01***10	Bolt	2
01***08	Nut,(For Canvas Canopy?Head Guard)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fan Belt Tension Pulley(#26253457-)

01***30	Bolt,(With Body Positioner)	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	1
01***10	Bolt	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fan Drive Pulley And Air Conditioner Drive Pulley(#26206845-26243072)

01***16	Bolt,(With Alternator Cover Type)	4
67***10	Pulley,Air Conditioner	1
67***80	Pulley,Fan Drive	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fan Drive Pulley And Air Conditioner Drive Pulley(#26243073-)

01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	4
67***10	Pulley,Air Conditioner	1
67***80	Pulley,Fan Drive	1
67***81	Pulley,Fan Drive	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fan Drive(#26201322-)

01***50	Screw	2
01***80	Screw	2
06***05	Bearing, Ball	1
06***05	Bearing	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Flywheel Housing Plug And Revolution Sensor(#26201322-)

01***25	Bolt - Relay Mounting	1
02***13	Plug	1
61***90	Spacer	1
63***30	Plate	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Flywheel Housing(#26201322-26239404)

67***10	Housing,Flywheel	1
67***20	Bolt (M8-1.25x16)	2
67***30	Plate, Cover	1
67***40	Gasket, Cover Plate	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Flywheel Housing(#26239405-26253960)

67***10	Housing,Flywheel	1
67***20	Bolt (M8-1.25x16)	2
67***30	Plate, Cover	1
67***50	Plug, O-Ring	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Flywheel Housing(#26253961-)

02***13	Plug	1
67***40	Cover, Rear	1
67***11	Housing,Flywheel	1
67***20	Bolt (M8-1.25x16)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Flywheel(#26214415-)

67***20	Washer, Plain (M12)	8
67***30	Bolt (M12x1.25x32)	8
67***80	Gear, Flywheel Ring	1
67***00	Flywheel Ass'Y	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Front Cover(#26239399-)

67***40	Pin, Timing	1
67***50	Ring, Retaining	1
67***60	Screw, Round Head (M5-0.80x17)	2
67***80	Housing, Timing Pin	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Front Gear Train Cover(#26264825-)

07***10	O-Ring,(F4320-67a0 -4 )	1
67***30	Cover	1
67***30	Bolt, Flange Head (M12-1.75x25)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Filter Mounting And Piping(#26201322-26291074)

01***20	Bolt,See Fig. K4010-11a0	1
01***14	Bolt,(W/Joy Stick Str.)(W/O Heater)	1
01***30	Bolt,(Water Separator Spec.)	1
01***30	Bolt,(Water Separator Spec.)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Filter Mounting And Piping(#26291075-)

01***20	Bolt,See Fig. K4010-11a0	1
01***14	Bolt,(W/Joy Stick Str.)(W/O Heater)	1
01***30	Bolt,(Water Separator Spec.)	1
01***05	Nut (Welded)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Filter(#26201322-)

67***10	Cartridge,Fuel	1
67***11	Filter, Fuel - Secondary	1
67***20	Head	1
67***50	Adapter, Filter Head	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#26201322-)

DK***20	Bolt, Joint	1
DK***60	Feed Pump Ass'Y	1
DK***00	Valve,Check	2
DK***20	Pump,Priming	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#26201322-)

DK***00	Shim? 2.00mm,(High Altitude Spec.)	0
DK***00	Gasket	1
DK***40	Gasket	1
DK***40	Governor Ass'Y	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#26201322-)

DK***00	Gasket	1
DK***40	Gasket,Air Compressor	2
DK***20	Lever	1
DK***00	Nut,Cap	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#26201322-)

67***31	Injection Pump Ass'Y	1
DK***30	Bearing	0
DK***20	Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm	0
DK***20	Shim? 0.12mm	0

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#26201322-)

DK***40	Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040	0
DK***90	Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590	0
DK***00	Sleeve,Control	6
DK***30	Shim? 1.45mm, Shim, 1.45mm; Was Dk029311-0630	0

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump And Oil Piping(#26201322-)

07***12	Gasket,(Without Air Compressor Type) (K2)	2
07***10	Screw, Banjo Connector (M10-1.25x20)	1
61***40	Nipple	1
62***10	Seal, O-Ring (M10-1.00)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Injection Pump Mounting And Gear(#26265208-)

01***14	Bolt - Fuel Sensor Mounting	2
01***11	Nut (M14-1.50 Thd), Nut; Was 01582-01411	1
61***61	Washer, Plain (14mm)	1
67***60	Bolt, Mounting (M8-1.25x25)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Inlet Tube And Outlet Joint(#26201324-)

01***45	Bolt	1
01***32	Washer,(Not Used With Emergency Str.)	1
07***40	Hose,See Fig. K4010-05a0	1
07***97	Clamp,(With Pre-Fuel Filter)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Return(#26201322-26291074)

01***16	Bolt, Mount Solenoid Valve	1
01***35	Bolt, Mount Bracket To Floor	1
01***60	Bolt, Mount	1
01***65	Bolt - Transmission Tube Mounting	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Fuel Return(#26291075-)

01***23	Washer, Wiring Harness Mounting Bracket	1
04***08	Clip	1
21***30	Spacer	1
67***60	Bolt, Mounting (M8-1.25x25)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Head Cover(#26206845-)

61***10	Cap, Oil Filler	1
67***30	Bolt (M8x1.25x25)	6
67***50	Washer, Plain (3/8 Inch)	6
67***81	Gasket, Valve Cover	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield (Tunnel Spec.) (Ceramic Type)(#26219581-26234415)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield (Tunnel Spec.) (Ceramic Type)(#26234416-26249293)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield (Tunnel Spec.) (Ceramic Type)(#26249294-26249536)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield (Tunnel Spec.) (Ceramic Type)(#26249537-)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield(#26206845-26243072)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield(#26243073-26249394)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heat Shield(#26249395-)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	6
01***20	Bolt,(Forwarded Individually Parts)	6
01***45	Bolt	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heater Switch (Foraerded Individually Parts)(#26200467-26212233)

60***70

Switch,Air Intake Heater

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Heater Switch (Forwerded Individually Parts)(#26256916-)

60***70

Switch,Air Intake Heater

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Injection Nozzle(#26200469-26255462)

67***40	Nozzle	1
67***00	Nozzle Holder Ass'Y	6
67***50	Seal, Rectangular Ring	6
67***40	Retainer, Injector Nozzle	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Injection Nozzle(#26255463-)

67***20	Injector	1
67***40	Nozzle	1
67***00	Nozzle Holder Ass'Y	1
67***21	Kit,Nozzle Holder	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Injection Piping(#26237143-26291074)

07***12	Gasket,Mechanical Pump Piping	2
67***80	Seal, Grommet	1
67***90	Valve, Check (M8x1.25x17.5)	1
67***40	Screw, Banjo Connector (M6x1.00x14.3)	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Injection Piping(#26291075-)

67***40	Screw, Banjo Connector (M6x1.00x14.3)	6
67***60	Gasket,Injector - Spill	12
67***20	Bolt, Captive Washer Cap (M5-0.80x24.5)	12
67***10	Bracket,Tube	5

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Muffler (Ceramic Type)(#26219581-)

01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	18
01***08	Nut,See Fig. K4010-04a0	18
07***08	Plug,(Without Auto Priming System)	1
61***51	Nipple,(For Trimming Dozer)	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Muffler Drain Tube (Forwarded Individually Parts)(#26256616-)

62***80

Tube,(Forwarded Individually Parts)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Muffler(#26221372-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4
01***35	Bolt,R.H. (For Add. Air Compressor)	2
01***08	Nut, Accumulator Mounting	4
62***50	Plate,Lock	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Muffler(#26257435-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4
01***35	Bolt,R.H. (For Add. Air Compressor)	2
01***08	Nut, Accumulator Mounting	4
62***50	Plate,Lock	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Cooler And Oil Filter

67***50	Valve, Pressure Relief	1
67***51	Valve, Pressure Relief	1
67***30	Plug, Pipe (1/8 Nptf)	1
67***20	O-Ring,Oil Pressure Plug	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Levl Sensor And Oil Level Gauge(#26201322-)

01***12	Bolt,(See Fig. K0210-16a0)	3
01***12	Bolt,(With Speedometer)	1
01***14	Bolt - Fuel Sensor Mounting	2
01***35	Bolt, Mount Bracket To Floor	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Pan And Suction Tube(#26201322-)

09***50	Liquid Gasket, Lg-7, 150g	0
67***60	Bolt, Mounting (M8-1.25x25)	2
67***10	Gasket (K2)	1
67***20	Bolt, Flange (M8-1.25x20)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Pan Bolt(#26201322-)

67***10

Bolt, Mounting (M8-1.25 X 25)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Pressure Switch(#26217580-)

08***05	Switch,Engine Oil Pressure	1
62***10	Seal, O-Ring (M10-1.00)	1
67***30	Cartridge, Engine Oil Filter	2
67***70	Adaptor	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Pump(#26200467-26273534)

67***11	Pump, Lubricating Oil	1
67***20	Bolt (M8x1.25x30)	4

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Oil Pump(#26273535-)

67***11	Pump, Lubricating Oil	1
67***20	Bolt (M8x1.25x30)	4

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Piston

67***00	Piston Ring Ass'Y	6
67***10	Pin, Piston	6
67***20	Ring, Retaining	12
67***00	Rod, Engine Connecting	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Rear Hanger(#26201322-26291070)

67***20	Bolt (M12x1.75x30)	2
67***10	Bracket, Lifting	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Rear Hanger(#26291071-)

67***10	Bracket, Lifting	1
67***20	Bolt (M12x1.75x30)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Repair Parts (1/4) (Cylinder Head)

67***40	Gasket, Cylinder Head - 0.5mm Os	1
67***70	Gasket, Cylinder Head - 0.25mm Os	1
67***51	Gasket? 0.50mm,Head	1
67***51	Gasket? 0.15mm,Head	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Repair Parts (2/4) (Cylinder Block)

67***10	Bushing, Oversize (No. 1 Bore)	1
67***20	Bushing, Oversize (No. 2-5 Bore)	1
67***10	Sleeve, Salvage - Std Bore	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Repair Parts (3/4) (Crankshaft)

67***00	Main Metal Ass'Y	6
67***00	Main Metal Ass'Y	6
67***00	Main Metal Ass'Y	6
67***00	Thrust Metal Ass'Y	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Repair Parts (4/4) (Piston)

67***00	Piston Ring Ass'Y	6
67***00	Piston Ring Ass'Y	6
67***20	Piston? 0.5mm	6
67***21	Piston? 0.5mm	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Rocker Arm

67***70	Screw, Slotted Set (3/8-24x1 1/2 Inch)	2
67***40	Bolt	6
67***10	Rod, Push	12
67***11	Rod, Push	12

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Starting Motor (4.5kw) (Inner Parts)(#26239544-)

60***10	Starting Motor Ass'Y,(4.5kw)	1
ND***82	Yoke Assembly	1
ND***00	Washer, Felt	1
ND***50	Bushing,Drain	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Starting Motor (4.5kw)(#26239544-)

(6***0)

Starting Motor Ass'Y,(4.5kw) (See Fig.A621p-02a2)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Starting Motor Mounting (4.5kw)(#26237143-)

01***35	Bolt, Mount Bracket To Floor	2
67***11	Gasket,Starter	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Starting Motor Mounting (5.5kw)(#26237143-26247492)

01***40	Bolt	3
01***32	Washer,(With Auto Emergency Steering)	3
67***11	Gasket,Starter	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Starting Motor Mounting (5.5kw)(#26247493-)

01***30	Stud	1
01***35	Bolt, Mount Bracket To Floor	2
01***08	Nut,See Fig. K4010-04a0	1
67***11	Gasket,Starter	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Tachometer Drive Cover

67***90	Cover, Mechanical Tach Drive	1
67***20	Seal, Rectangular Ring	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Tappet

67***12

Tappet, Valve

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Tappet Cover(#26232116-26291074)

67***20	Bolt, Mounting (M8-1.25x16)	6
67***80	Seal, Grommet	6
67***60	Cover, Push Rod	1
67***60	Gasket, Push Rod Cover	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Tappet Cover(#26291075-)

01***16	Bolt, Mounting Transmission Control Switch	4
01***10	Washer,(For 35a Alternator)	4
67***50	Washer, Plain (3/8 Inch)	6
67***10	Gasket,Camfollower Cover Bolt	6

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Thermostat Housing(#26201322-)

07***25	Clip,(For Slag Handling)	2
67***40	Bolt, (M8x1.25x35)	1
67***71	Coupling	1
67***80	Bolt (M8-1.25x70)	2

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Thermostat(#26200467-26295857)

67***71

Thermostat

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Thermostat(#26295858-)

67***71

Thermostat

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Turbocharger Mounting(#26200467-26233099)

67***10	Stud ((M10x1.50 (Both Ends) X42))	4
67***20	Nut (M10x1.50)	4
67***30	Gasket, Turbocharger Mounting	1
67***00	Turbocharger Ass'Y	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Turbocharger Mounting(#26233100-)

67***10	Stud ((M10x1.50 (Both Ends) X42))	4
67***20	Nut (M10x1.50)	4
67***31	Kit,Turbocharger	1
67***10	Gasket, Turbocharger Mounting	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Turbocharger Oil Piping(#26201322-)

67***80	Connector, Male	2
67***30	O-Ring,Turbocharger Drain	2
67***10	Tube,Oil	1
67***20	Gasket	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Under Plate

67***50	Plate	1
67***51	Plate, Cylinder Block Stiffener	1
(0***0)	Liquid Gasket, Lg-7, 150g	0

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Water Connector

67***60	Connection, Water Inlet	1
67***10	Connector	1
67***20	Bolt (M10-1.50x75)	3
67***30	Seal,Water Inlet Connection	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Water Connector Plug

67***10

Plug, Pipe (1/2-14 Npt)

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Water Pump(#26274901-)

67***60	Bolt (M8x1.25x22)	2
67***02	Water Pump Ass'Y	1
67***20	Seal, Rectangular Ring	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Water Temperature Sensor(#26201322-)

01***16	Bolt, Mount Solenoid Valve	1
01***16	Screw	1
08***10	Clip,(Without Ripper)	1
08***10	Connector, Clip	1

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Komatsu : Sa6d102e-1c-35(S/N 26200467-Up) : Engine : Wiring Harness(#26208813-)

01***14	Bolt - Fuel Sensor Mounting	1
01***80	Bolt (M10-1.50x80)	1
01***20	Bolt - Mount Risers To Cab Floor	1
01***12	Bolt,(See Fig.0501)	1

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SA6D102E-1C-35(S/N 26200467-UP) serial number reference

The PIN plate is located on the emissions/export plate, typically riveted near the engine bay or behind the cab on the right-hand side of the lower frame. Read the prefix as the alphanumeric engine model code (e.g., SA6D102E-1C-35) followed by the serial number range (S/N 26200467-UP) stamped on the same plate.

Prefix	Identifies	Notes
SA6D102E-1C-35	Engine Model	SA6D102E-1C-35 S/N 26200467-UP. Identifies the specific engine configuration variant for this serial range. Source: published references catalog listing and SoonParts application data.

Frequently asked questions

What engine does the Komatsu PC220LC-6 use?

The Komatsu PC220LC-6 uses the SA6D102E-1C-35 engine, a turbocharged, water-cooled, 4-cycle direct-injection diesel.

What is the operating weight of the Komatsu PC220LC-6?

The operating weight of the Komatsu PC220LC-6 varies by configuration, typically ranging from 9,182 to 27,215 kg (20,000 to 60,000 lbs).

What engine replaced the SA6D102E-1C-35?

The SA6D102E-1C-35 was replaced by the SAA6D102E-2 engine in the subsequent PC220LC-7 generation.

What SA6D102E-1C-35(S/N 26200467-UP) owners discuss

What is the specific engine designation and serial range for the Komatsu PC220LC-6 excavator identified by the serial prefix 26200467?

The engine designation is SA6D102E-1C. This applies to the serial range 26200467-Up for the PC220LC-6 model. The engine is a turbocharged, water-cooled, 4-cycle, direct injection diesel unit. Variations in configuration or regional emissions packages may alter specific component details, but the core designation remains SA6D102E-1C for this serial block.

What are the known powertrain and hydraulic behaviors associated with this engine series?

The SA6D102E-1C engine is paired with a hydraulic system that requires specific fluid specifications to maintain performance. Komatsu engineering standards dictate the use of Komatsu EO or TO series hydraulic oil to ensure proper viscosity and protection. Engine power output typically falls within the 196-359 HP range depending on the specific machine application and configuration. Hydraulic performance issues, such as slow boom or weak swing, often correlate with engine RPM drops under load rather than pure hydraulic pump failure. Verify system pressures against the factory spec sheet for the specific machine model.

What undercarriage or wear patterns are typical for machines equipped with this engine?

Machines utilizing the SA6D102E-1C engine, such as the PC220LC-6, operate in the mid-size excavator class with operating weights ranging from approximately 9,182 lb to 87,083 lb depending on the specific attachment and configuration. Undercarriage wear patterns, including track tension issues and roller wear, are common in heavy earthmoving applications. Track tension should be checked regularly, as repeated loosening indicates undercarriage wear or adjuster failure. Ground pressure and weight distribution vary by configuration, so inspect track shoes and sprockets for uneven wear indicative of mechanical binding or hydraulic drift.

What are the common engine quirks and maintenance requirements for the SA6D102E-1C series?

The SA6D102E-1C engine requires Komatsu Genuine Diesel Engine Oil meeting Komatsu Engineering Standards. Coolant capacity and specifications vary by configuration; use Super-coolant AF-NAC or equivalent. The engine features a turbocharger (HX35 type) and aftercooler system that requires regular inspection of charge-air hoses and clamps for leaks, which can cause power loss. Fuel filters and water separators must be maintained to prevent air ingress and fuel starvation. Overhaul kits are available for the 102-1 and 102-2 series, indicating standard rebuild procedures for cylinder heads and pistons. Consult the shop manual for specific torque values and clearances.

What are the common electrical or sensor issues reported for this engine platform?

Electrical issues often manifest as multiple fault codes, typically pointing to battery state, chassis grounds, or connector integrity rather than a single sensor failure. The engine control system relies on accurate input from speed, temperature, and pressure sensors.

What should be checked when buying a used machine with the SA6D102E-1C engine (S/N 26200467-UP)?

Verify the engine serial plate matches the SA6D102E-1C designation for the 26200467-Up range. Check for signs of cooling system neglect, such as debris packed between the radiator, hydraulic oil cooler, and charge-air cooler.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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