Komatsuengine(no series)

Komatsu S4D102E-1E-Z3(S/N 26200163-UP)

Maintenance schedule, common problems & OEM parts breakdown

Search live S4D102E-1E-Z3(S/N 26200163-UP) parts

The Komatsu S4D102E-1E-Z3 is a 4-cylinder, water-cooled, turbocharged diesel engine used in the PC128UU-1E series of compact crawler excavators. Produced primarily in the late 1990s, this engine delivers approximately 86 hp and powers machines with an operating weight of roughly 28,800 lbs. It succeeded earlier 102-series variants and was eventually replaced by the S4D102E-1F series as emissions standards tightened. Configurations included EROPS cabs, heat and air conditioning, and various stick and blade options.

Across its generations, the S4D102E-1E-Z3 transitioned from mechanical injection to more refined electronic control systems to meet evolving environmental regulations. The machine remains significant in the used market due to its compact footprint and proven reliability in utility and municipal work. Its widespread use in the PC128UU-1E platform ensures a robust supply of aftermarket parts and experienced technicians familiar with its maintenance requirements.

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 S4D102E-1E-Z3(S/N 26200163-UP) specifications

Engine

Model	S4D102E-1E-Z3
Series	102 Series
Configuration	4-Cylinder, Diesel, Turbocharged
Net Power	86 hp (64 kW)
Displacement	Not documented for this exact serial range — verify with your dealer
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
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	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 S4D102E-1E-Z3(S/N 26200163-UP) maintenance schedule

Service interval	Tasks
Every 10 h	Check engine oil level Check hydraulic fluid level Check coolant level Drain water from fuel separator Check air filter restriction indicator Inspect hydraulic hoses and track tension
Every 250 h	Change engine oil and filter Grease all pivot points Inspect air cleaner element Check fuel and hydraulic systems Inspect undercarriage rollers and sprockets Inspect belts and hoses
Every 500 h	Replace fuel filter Replace hydraulic return filter Test battery and alternator Test coolant SCA Take KOWA oil sample Inspect structural welds
Every 1,000 h	Change hydraulic oil Inspect engine air filter Check swing machinery and travel system Inspect exhaust system Inspect electrical wiring Change final drive oil
Every 2,000 h	Replace hydraulic hoses Flush and replace coolant Inspect final drives Inspect pump system Comprehensive brake inspection Check turbocharger

Servicing the S4D102E-1E-Z3(S/N 26200163-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Komatsu KOWA fluid analysis at every 500-hour interval to monitor engine wear metals and hydraulic contamination. Check coolant SCA levels at 500 hours to prevent cavitation in the S4D102E-1E-Z3 block. Monitor DEF levels daily on Tier 4 compliant variants. Track fuel dilution and soot levels in the oil to predict injector or piston ring wear before failure occurs.

Corrective & Common Repairs

Address oil pressure switch leaks common in this engine age. Replace worn belt tensioners and idlers to prevent accessory drive failure. Inspect the high-pressure fuel lines for cracks or leaks. Check the turbocharger rotor play and shaft clearance. Replace worn track pads and sprockets to maintain the 28,800 lb machine's undercarriage integrity.

Overhaul & Rebuild Points

Perform an inframe overhaul when cylinder compression drops or oil consumption exceeds limits. Replace piston rings, liners, and bearings. Inspect the crankshaft for wear and the cylinder head for valve seat integrity. Check the fuel injection pump timing and injector nozzle spray patterns. Rebuild the hydraulic pump if flow rates fall below specification.

Seasonal & Environment Servicing

In cold weather, ensure the coolant mixture provides adequate freeze protection. Check the battery charge and terminals frequently. In dusty environments, clean the radiator and oil cooler fins daily to prevent overheating. Inspect the air filter restriction indicator more often. Grease all pivot points after every shift in abrasive conditions to extend undercarriage and linkage life.

S4D102E-1E-Z3(S/N 26200163-UP) common service parts

Part number	Part	Notes
6732-71-6111	Filter, Fuel - Secondary	Fuel system service	Check fitment →
600-311-9101	Fuel Filter Ass'Y	Fuel system service	Check fitment →
600-311-9121	Cartridge,Fuel Filter	Fuel system service	Check fitment →
6732-21-5530	Cartridge, Engine Oil Filter	Lubrication service	Check fitment →
600-181-6050	Element Assembly, Complete	Scheduled service item	Check fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

S4D102E-1E-Z3(S/N 26200163-UP) fault codes & troubleshooting

Code	Meaning	Likely cause	What to do
E10	Engine controller power failure or engine control drive system circuit malfunction	Faulty ECM power connections, blown fuses, or damaged ground wires	Inspect ECM power connections, fuses, and ground wires
E11	Engine control system failure resulting in reduced output power to protect the engine	Coolant overheating, low oil pressure, or clogged air filter	Check coolant temperature, oil pressure, and air filter condition
CA111	Engine controller (ECM) critical internal failure	Internal ECM hardware fault or corruption	Replace or reprogram the ECM
CA115	Engine speed sensor and backup speed sensor failure	Broken sensor, wiring issue, or connector corrosion	Replace the speed sensor and verify voltage at the pin connector
CA441	Battery voltage too low	Weak battery, faulty 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
CA451	Common rail pressure sensor feedback value too high	Malfunctioning rail sensor or actual overpressure condition	Diagnose the fuel rail pressure sensor or pump lines
CA452	Common rail pressure sensor feedback value too low	Malfunctioning rail sensor or fuel supply restriction	Diagnose the fuel rail pressure sensor or pump lines
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 failed fan belt	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.

S4D102E-1E-Z3(S/N 26200163-UP) attachments & work tools

Excavator Work Tools

The S4D102E-1E-Z3 engine is installed in the Komatsu PC128UU-1E excavator class, which utilizes standard excavator attachment families including digging buckets, grading buckets, and trenching tools. Typical bucket capacities for this machine size class range from 0.3 to 0.6 cubic meters (0.4 to 0.8 cubic yards), depending on material density and specific boom/stick configuration. These tools mount via the standard excavator quick coupler interface or fixed pin system, requiring auxiliary hydraulic lines for powered couplers or tiltrotators.

Loader Work Tools

The engine is also fitted to the WA120-1LC wheel loader, which employs front-end loader buckets, pallet forks, and grapple attachments. Bucket capacities for this loader class typically range from 1.5 to 2.5 cubic meters (2.0 to 3.3 cubic yards), optimized for general earthmoving and material handling. Tools connect via the loader's standard pin-on bucket system, with auxiliary hydraulics required for quick-attach mechanisms or specialized grapple functions.

Dozer Work Tools

The S4D102E-1E-Z3 powers the D39EX-21 and D39PX-21 tracked dozer models, which use straight-blade, angle-blade, and ripper attachments. Blade widths for this class generally range from 2.5 to 3.0 meters (8 to 10 feet), with ripper shank configurations varying by soil hardness and operational requirements. These tools mount to the dozer's front linkage or rear frame via standard pin-and-bushing systems, with hydraulic controls for blade tilt and ripper depth adjustment.

Hydraulic & Coupling Systems

Work tools requiring auxiliary hydraulics connect via standard high-pressure and return lines, typically using SAE flange or O-ring boss fittings compatible with Komatsu hydraulic systems. Powered quick couplers and tiltrotators require a dedicated hydraulic kit, including flow control valves and pilot lines, installed by the dealer. Hydraulic fluid specifications follow Komatsu EO or equivalent high-zinc anti-wear standards to protect pump and valve components.

Factory Configurations & Guarding

Factory options for this engine class include EROPS (Enclosed Rollover Protective Structure) cabs with heat and air conditioning for operator comfort in excavator and loader applications. Guarding options include heavy-duty undercarriage components, wide track shoes for reduced ground pressure, and reinforced boom/stick structures for heavy-duty excavation. Emissions compliance configurations vary by region, with the S4D102E-1E-Z3 meeting specific Tier/Stage standards for its production period.

All S4D102E-1E-Z3(S/N 26200163-UP) assemblies by section

Every catalogued assembly group for the Komatsu S4D102E-1E-Z3(S/N 26200163-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Additional Pulley (Air Conditioner Pulley)(#26200163-26263585)

01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2
67***11	Pulley	1
67***11	Spacer	1
67***10	Spacer	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Air Cleaner (Forwarded Individually Parts)(#26204798-26257281)

60***50	Element Assembly, Complete	1
60***40	Element Assembly, Primary	1
60***70	Nut, Wing	1
60***80	Washer, Seal	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Air Cleaner (Forwarded Individually Parts)(#26257282-)

60***50	Element Assembly, Complete	1
60***40	Element Assembly, Primary	1
60***70	Nut, Wing	1
60***80	Washer, Seal	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Air Intake Heater

67***10	Gasket	1
67***11	Gasket,Air Intake Heater	1
67***10	Harness, Wiring	1
67***20	Heater, Engine	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator (25a)

(6***0)

Alternator A. (25a),(See Fig.A601p-02a5)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator (25a) (Inner Parts)

60***10	Alternator A. (25a)	1
KD***57	Bearing,Ball? Front	1
KD***60	Pulley,Non Hardening	1
KD***40	Rear Bracket Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator (35a Shield) (Inner Parts)(#26200912-26239444)

60***11	Alternator A. (35a)	1
KD***70	Bushing,Insulate	1
KD***50	Regulator Ass'Y	1
KD***40	Bushing,Insulate	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator (35a Shield) (Inner Parts)(#26239445-)

60***11	Alternator A. (35a)	1
KD***70	Bushing,Insulate	1
KD***50	Regulator Ass'Y	1
KD***40	Bushing,Insulate	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator (35a Shield)(#26200912-26239444)

(6***1)

Alternator A. (35a),(See Fig.A601p-02a7z)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator (35a Shield)(#26239445-)

(6***1)

Alternator A. (35a),(See Fig.A601p-02a7z)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator Support

01***30	Bolt,(For Trimming Dozer)	1
01***11	Nut (Welded)	1
01***23	Washer,(With Car Heater)	1
01***23	Plain Washer	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator Support(#26200278-26240503)

01***30	Bolt,(For Trimming Dozer)	1
01***10	Nut,(Without Air Conditioner)	1
01***23	Washer,(With Car Heater)	3
62***80	Screw	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Alternator Support(#26240504-)

01***30	Bolt,(For Trimming Dozer)	1
01***10	Nut,(Without Air Conditioner)	1
01***23	Washer,(With Car Heater)	3
62***80	Screw	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Belt Tensioner (For 25a Alternator) (Cooler Spec.)

67***30	Tensioner, Alternator Belt	1
67***21	Plate	1
67***20	Bolt (M10x1.50x70)	1
67***30	Tensioner, Belt	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Boost Tube(#26200163-26202210)

07***12	Gasket,Injection Pump Piping	2
67***30	Tube	1
67***10	Screw, Banjo Connector (M12x1.50x24)	1
67***60	Adapter, Female	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Breather Hose(#26200163-26285970)

01***25	Bolt,(With Corrosion Resistor)	1
07***20	Clamp, Spring Hose	1
07***65	Hose	1
62***60	Distance Piece	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Breather Hose(#26285971-)

07***20	Clamp, Spring Hose	1
07***58	Hose	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Camfollower Cover(#26200163-26226524)

67***20	Bolt, Mounting (M8-1.25x16)	4
67***10	Cover, Push Rod	1
67***61	Gasket, Push Rod Cover	1
67***80	Seal, Grommet	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Camfollower Cover(#26226525-)

67***20	Bolt, Mounting (M8-1.25x16)	4
67***10	Cover, Push Rod	1
67***11	Cover	1
67***61	Gasket, Push Rod Cover	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Camshaft

67***11	Camshaft	1
67***20	Support, Camshaft Thrust	1
67***31	Gear, Camshaft	1
67***60	Bolt (M8x1.25x22)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (English)(#26200163-26244847)

67***10	Plate? Name	1
67***11	Plate? Name	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (English)(#26244848-)

67***11

Plate? Name

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (Indonesian) (Ordering Transferred Parts)(#26244848-)

09***63

Plate? Instruction,(For Indonesia)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (Indonesian)(#26200415-26244847)

09***63	Plate? Instruction,(For Indonesia)	1
67***70	Plate? Name	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (Russian) (Ordering Transferred Parts)(#26244848-)

09***63

Plate? Instruction,Air Cleaner

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (Russian)(#26200415-26244847)

09***63	Plate? Instruction,Air Cleaner	1
67***80	Plate? Name	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Caution Plate (Spanish)(#26200163-26244847)

67***40

Plate? Name

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Cooling Fan

01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	4
01***35	Bolt, Mount Bracket To Floor	4
01***30	Screw	4
60***50	Fan,Cooling	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Corrosion Resistor

01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2
01***00	Bolt	3
07***12	Gasket,(Without Air Compressor Type) (K1)	4
07***14	Screw, Banjo Connector (M10)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Crank Pulley(#26200163-26279927)

67***10	Pulley, Crankshaft	1
67***20	Bolt (M12x1.25x36)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Crank Pulley(#26279928-)

67***10	Pulley	1
67***20	Bolt (M12x1.25x36)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Crankshaft

67***20	Crankshaft Ass'Y	1
67***50	Gear, Crankshaft	1
67***11	Gear, Crankshaft	1
67***10	Main Metal Ass'Y	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Cylinder Block Blind Plug(#26200415-)

67***60

Plug, Expansion (Not Used With Side Oil Fill)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Cylinder Block(#26221676-)

62***10	Screw	2
62***10	Seal, O-Ring (M10-1.00)	4
67***30	Block Assembly, Cylinder	1
67***90	Nozzle,Piston Cooling (K2)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Cylinder Head(#26200163-26238878)

67***10	Head Ass'Y	1
67***50	Gasket	1
67***70	Insert, Exhaust	4
67***80	Insert, Intake	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Cylinder Head(#26238879-)

67***10	Retainer, Exhaust Valve Spring	8
67***10	Head Ass'Y	1
67***51	Gasket, Cylinder Head	1
67***70	Insert, Exhaust	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Exhaust Connector Clamp

67***20

Clamp,Turbocharger Outlet Pipe

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Exhaust Manifold And Air Connector(#26200163-26207666)

07***08	Plug,(Without Auto Priming System)	1
67***10	Plug, Pipe (1/2-14 Npt)	2
67***60	Bolt, Mounting (M8x1.25x25)	6
67***30	Cover, Intake Manifold	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Exhaust Manifold And Air Connector(#26207667-)

07***08	Plug,(Without Auto Priming System)	1
67***10	Plug, Pipe (1/2-14 Npt)	2
67***60	Bolt, Mounting (M8x1.25x25)	6
67***30	Cover, Intake Manifold	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fan Drive Pulley(#26202773-)

67***20	Support Ass'Y	1
67***30	Pulley, Fan	1
67***70	Bolt, Mounting (M8-1.25x40)	4
67***40	Support	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Flywheel Housing Plug (With Revolution Sensor)

01***25	Bolt - Relay Mounting	1
01***20	Bolt - Mount Risers To Cab Floor	1
02***13	Plug	1
08***14	Clip,(With After Cooler)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Flywheel Housing(#26200163-26240503)

67***10	Housing,Flywheel	1
67***20	Bolt (M8-1.25x16)	2
67***40	Gasket, Cover Plate	1
67***50	Plug, O-Ring	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Flywheel Housing(#26240504-26244409)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Flywheel Housing(#26244410-)

02***13	Plug	1
67***40	Cover, Rear	1
67***30	Plate, Cover	1
67***50	Plug, O-Ring	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Flywheel(#26212900-)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Front Cover(#26238939-)

67***11	Gasket	1
67***40	Pin, Timing	1
67***50	Ring, Retaining	1
67***60	Screw, Round Head (M5-0.80x17)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Front Gear Train Cover(#26200163-26264932)

67***80	Gasket, Accessory Drive Cover	1
67***10	Plate, Accessory Drive Cover	1
67***30	Bolt, Flange Head (M12-1.75x25)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Front Gear Train Cover(#26264933-)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Filter

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Filter Mounting And Piping(#26233545-)

01***25	Bolt - Relay Mounting	2
01***50	Bolt (M10-1.50x150)	1
01***80	Bolt	2
07***12	Gasket,Mechanical Pump Piping	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#26201324-)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#26201324-)

DK***00	Shim? 2.00mm,(High Altitude Spec.)	0
DK***00	Gasket	1
DK***40	Gasket	1
DK***00	Bolt	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#26201324-)

DK***00	Gasket	1
DK***40	Gasket,Air Compressor	2
DK***00	Nut,Cap	1
DK***10	Key? 13mm,Woodruff	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#26201324-)

67***91	Injection Pump Ass'Y	1
DK***30	Bearing	0
DK***20	Housing	1
DK***20	Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm	0

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#26201324-)

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	4
DK***30	Shim? 1.45mm, Shim, 1.45mm; Was Dk029311-0630	0

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump And Oil Piping(#26201324-)

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)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Injection Pump Mounting

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Inlet Joint

61***50

Joint

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel Return

04***08	Clip	1
07***00	Clip	2
62***00	Hose,Spill	1
67***31	Joint	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Fuel System Accessory

67***60	Bolt, Mounting (M8-1.25x25)	1
67***20	Bolt, Flange (M8-1.25x20)	1
67***10	Gasket, Cover Plate	1
67***11	Gasket, Cover Plate	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Gauge(#26200163-26200414)

01***20	Bolt - Mount Risers To Cab Floor	1
08***14	Clip,(With After Cooler)	1
08***12	Clip, Clip,(With Auto Emergency Steering)	1
67***40	Switch,Oil Pressure	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Head Cover(#26200163-26233544)

61***10	Cap, Oil Filler	1
67***30	Bolt (M8x1.25x25)	4
67***50	Washer, Plain (3/8 Inch)	4
67***80	Gasket, Valve Cover	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Head Cover(#26203667-)

67***30	Bolt (M8x1.25x25)	4
67***50	Washer, Plain (3/8 Inch)	4
67***81	Gasket, Valve Cover	4
67***10	Gasket,Camfollower Cover Bolt	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Heat Shield(#26220140-26249417)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	4
01***20	Bolt,(Forwarded Individually Parts)	8
01***45	Bolt	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Heat Shield(#26249418-)

01***35	Stud	2
01***16	Bolt, Mount Solenoid Valve	4
01***20	Bolt,(Forwarded Individually Parts)	8
01***45	Bolt	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Heater Switch (Forwarded Individually Parts)(#26200163-26224557)

60***70

Switch,Air Intake Heater

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Heater Switch(#26224558-26257281)

60***70

Switch,Air Intake Heater

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Heater Switch(#26257282-)

60***70

Switch,Air Intake Heater

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Injection Nozzle(#26200163-26237765)

67***00	Nozzle Holder Ass'Y	4
67***30	Nozzle	1
67***50	Seal, Rectangular Ring	4
67***40	Retainer, Injector Nozzle	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Injection Nozzle(#26237766-)

67***00	Nozzle Holder Ass'Y	1
67***20	Injector	1
67***30	Nozzle	1
67***02	Kit,Nozzle Holder	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Injection Piping(#26200163-26229657)

04***08	Clip	1
07***12	Gasket,Mechanical Pump Piping	2
61***80	Spacer	2
67***20	Bolt, Mounting (M8-1.25x16)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Injection Piping(#26229658-)

04***08	Clip	1
07***12	Gasket,Mechanical Pump Piping	2
61***80	Spacer	2
67***20	Bolt, Mounting (M8-1.25x16)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Main Power Take Off

01***35	Bolt, Mount Ground Driven Steering Pump	6
01***32	Washer,(Not Used With Emergency Str.)	6
20***60	Coupling	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Main Power Take Off(#26281570-)

01***35	Bolt, Mount Ground Driven Steering Pump	6
01***32	Washer,(Not Used With Emergency Str.)	6
20***60	Coupling	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Muffler (With Rain Cap)(#26200163-26220139)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4
01***35	Bolt,R.H. (For Add. Air Compressor)	2
01***06	Nut	4
20***31	Pipe,Exhaust	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Muffler(#26257282-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4
01***35	Bolt,R.H. (For Add. Air Compressor)	2
01***06	Nut	4
62***80	U-Bolt	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Cooler And Oil Filter (For 25a Alternator)

67***51	Valve, Pressure Relief	1
67***20	O-Ring,Oil Pressure Plug	1
67***30	Gasket, Filter Head	1
67***31	Gasket, Filter Head	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Filler(#26233545-)

01***35	Bolt, Mount Bracket To Floor	1
07***09	Clamp, Hose	1
07***09	Clamp,(See Fig. K0210-16a0)	2
20***80	Clip	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Gauge

01***12	Bolt - Front Cover Mounting	3
01***90	Screw	1
01***14	Bolt - Fuel Sensor Mounting	1
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Pan And Suction Tube

09***50	Liquid Gasket, Lg-7, 150g	0
67***10	Pan,Oil	1
67***10	Gasket (K2)	1
67***30	Bolt, Hex Cap (M8-1.25x30)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Pan Bolt

67***10

Bolt, Mounting (M8-1.25 X 25)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Pressure Switch (Cold Terrain Spec.)(#26220227-26221675)

01***25	Bolt,L.H. (For Add. Air Compressor)	2
67***30	Cartridge, Engine Oil Filter	1
67***70	Tube	1
67***40	Switch,Oil Pressure	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Pressure Switch (Cold Terrain Spec.)(#26221676-)

01***25	Bolt,L.H. (For Add. Air Compressor)	2
08***05	Switch,Engine Oil Pressure	1
62***10	Seal, O-Ring (M10-1.00)	1
67***30	Cartridge, Engine Oil Filter	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Pump(#26200163-26276328)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Oil Pump(#26276329-)

67***12	Pump, Lubricating Oil	1
67***20	Bolt (M8x1.25x30)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Piston

67***00	Piston Ring Ass'Y	4
67***10	Pin, Piston	4
67***20	Ring, Retaining	8
67***00	Rod, Engine Connecting	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Pre-Fuel Filter (Forwaraded Individually Parts)(#26200163-26257281)

07***12	Gasket,Mechanical Pump Piping	1
60***01	Fuel Filter Ass'Y	1
60***21	Cartridge,Fuel Filter	1
61***31	Plug,(Not Shown)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Pre-Fuel Filter (Forweraded Individually Parts)(#26257282-)

07***12	Gasket,Mechanical Pump Piping	1
60***01	Fuel Filter Ass'Y	1
60***21	Cartridge,Fuel Filter	1
61***31	Plug,(Not Shown)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Rear Hanger

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Repair Parts (1/4) (Cylinder Head)

67***51	Gasket, Cylinder Head	1
67***51	Gasket, Cylinder Head	1
67***10	Guide, Valve Stem - Intake/Exhaust (Thin Wall)	8
67***10	Guide, Valve Stem (Thick Wall 60.5mm Long Int)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-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	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Repair Parts (3/4) (Crankshaft)

67***00	Main Metal Ass'Y	4
67***00	Main Metal Ass'Y	4
67***00	Main Metal Ass'Y	4
67***00	Thrust Metal Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Repair Parts (4/4) (Piston)

67***00	Piston Ring Ass'Y	4
67***00	Piston Ring Ass'Y	4
67***20	Piston? 0.5mm	4
67***30	Piston? 1.0mm	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Rocker Arm

67***70	Screw, Slotted Set (3/8-24x1 1/2 Inch)	2
67***40	Bolt	4
67***10	Rod, Push	8
67***11	Rod, Push	8

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Spare Parts

07***16	Gasket,(For Pc750-6) (See Fig.A2110)	1
67***81	Gasket, Valve Cover	4
67***10	Gasket,Camfollower Cover Bolt	4
67***40	Cartridge,Engine Oil	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Spare Parts (For 35a And 60a Alternator)(#26233545-)

07***16	Gasket,(For Pc750-6) (See Fig.A2110)	1
67***81	Gasket, Valve Cover	4
67***10	Gasket,Camfollower Cover Bolt	4
67***40	Cartridge,Engine Oil	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Spare Parts (For 35a Shield Alternator)(#26233152-)

07***16	Gasket,(For Pc750-6) (See Fig.A2110)	1
67***81	Gasket, Valve Cover	4
67***10	Gasket,Camfollower Cover Bolt	4
67***40	Cartridge,Engine Oil	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Starting Motor (4.5kw)

(6***0)

Starting Motor Ass'Y,(4.5kw) (See Fig.A621p-02a0)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Starting Motor (4.5kw) (Inner Parts)

60***10	Starting Motor Ass'Y	1
KD***10	Spring	1
KD***40	Pinion	1
KD***50	Washer	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Starting Motor Mounting(#26236432-)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Tachometer Drive Cover

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Tappet

67***12

Tappet, Valve

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Thermostat Housing(#26202313-)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Thermostat(#26200163-26281220)

67***20

Thermostat

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Thermostat(#26281221-26295762)

67***71

Thermostat

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Thermostat(#26295763-)

67***71

Thermostat

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Turbocharger Mounting(#26200163-26233151)

67***00	Turbocharger Ass'Y	1
67***10	Stud ((M10x1.50 (Both Ends) X42))	4
67***20	Nut (M10x1.50)	4
67***40	Gasket, Turbocharger	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Turbocharger Mounting(#26233152-)

67***90	Gasket	1
67***52	Kit,Turbocharger	1
67***10	Stud ((M10x1.50 (Both Ends) X42))	4
67***20	Nut (M10x1.50)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Turbocharger Oil Piping(#26200163-26277269)

62***90	Gasket,Turbocharger Oil Drain	1
67***30	Hose	1
67***50	Gasket,Oil Drain (Not Shown)	1
67***80	Connector, Male	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Turbocharger Oil Piping(#26277270-)

01***30	Bolt,(Water Separator Spec.)	1
07***12	Gasket,(Without Air Compressor Type) (K1)	2
07***14	Screw, Banjo Connector (M10)	1
62***90	Gasket,Turbocharger Oil Drain	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Under Plate

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Connector (For 35a And 60a Alternator)(#26222967-)

01***80	Bolt (M10-1.50x80)	1
61***50	Bracket	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Connector Plug

67***10

Plug, Pipe (1/2-14 Npt)

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Pump(#26202771-26274660)

67***60	Bolt (M8x1.25x22)	2
67***00	Water Pump Ass'Y	1
67***01	Water Pump Ass'Y	1
67***20	Seal, Rectangular Ring	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Pump(#26274661-)

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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Separator (Forwarded Individually Parts)(#26200163-26257281)

07***12	Gasket,Mechanical Pump Piping	1
60***31	Separator Assembly, Water	1
60***60	Plug,Drain (4d105-5h? 4d105-5t)	1
60***90	O-Ring,Seal	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Separator (Forwarded Individually Parts)(#26257282-)

07***12	Gasket,Mechanical Pump Piping	1
60***90	O-Ring	1
60***90	Plug,Drain	1
60***31	Separator Assembly, Water	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S4d102e-1e-Z3(S/N 26200163-Up) : Engine : Water Valve And Water Temperature Sensor (Cold Terrain Spec.)(#26220227-)

09***00	Valve	1
20***30	Valve,Heat Water Inlet	1
67***30	Adapter	1
78***80	Sensor,Water Temperature	1

See all parts with full part numbers in Heavy Parts AI →

S4D102E-1E-Z3(S/N 26200163-UP) serial number reference

The engine identification plate is riveted to the left side of the engine block, typically near the injection pump or valve cover. Read the prefix (e.g., S4D102E-1E-Z3) to identify the engine family and emission tier, then verify the serial number on the plate against the machine's chassis serial to confirm fitment.

Prefix	Identifies	Notes
S4D102E-1E-Z3	Engine Model	Komatsu 4-cylinder diesel engine. S/N 26200163-UP. Factory spec sheet confirms this engine designation for the specified serial range. Varies by configuration/series for other S4D102E-1 variants.

Frequently asked questions

What engine does the Komatsu S4D102E-1E-Z3 use?

It uses the Komatsu S4D102E-1E-Z3 4-cylinder, water-cooled, turbocharged diesel engine.

What is the operating weight of the machine powered by this engine?

The operating weight is approximately 28,800 lbs (13,063 kg).

What replaced the S4D102E-1E-Z3 engine?

It was replaced by the S4D102E-1F series engine to meet stricter emissions standards.

Need a specific S4D102E-1E-Z3(S/N 26200163-UP) part?

Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.

Search parts in the app