Komatsubulldozermedium (d40 - d75)

Komatsu D40F-3(S/N 6001-UP)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu D40F-3 is a mid-size crawler bulldozer designed for grading, land clearing, and small earthmoving projects. It features a direct-drive drivetrain with four forward and three reverse gears, paired with a stable tracked undercarriage. Production years for the D40 series span from 1979 to 1985, with the D40F-3 representing a specific configuration within that lineage. The machine offers configurations for various duties, including standard and forestry specs, and sits within the broader Komatsu D40 family that includes predecessors like the D40A-1 and related variants such as the D40P-3 and D40A-3.

Across the D40 series generations, Komatsu refined the direct-drive transmission and undercarriage durability to improve pushing capability and operational efficiency. The D40F-3 remains relevant in the used and parts market due to its robust mechanical simplicity and widespread availability of undercarriage components. Its direct-drive system reduces complexity compared to hydrostatic models, making it a preferred choice for operators seeking reliable, low-maintenance earthmoving equipment in the mid-size class.

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 D40F-3(S/N 6001-UP) specifications

Engine

Model	Not documented for this exact serial range — verify with your dealer
Power	Not documented for this exact serial range — verify with your dealer
Displacement	Not documented for this exact serial range — verify with your dealer
Emissions	Not documented for this exact serial range — verify with your dealer

Weights

Operating Weight (Std)	Not documented for this exact serial range — verify with your dealer
Operating Weight (XL)	Not documented for this exact serial range — verify with your dealer
Operating Weight (LGP)	Not documented for this exact serial range — verify with your dealer

Dimensions

Blade Width Options	Not documented for this exact serial range — verify with your dealer
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
Shoe Widths	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 (Forward)	Not documented for this exact serial range — verify with your dealer
Travel Speed (Reverse)	Not documented for this exact serial range — verify with your dealer
Drawbar Pull	Not documented for this exact serial range — verify with your dealer
Gradeability	Not documented for this exact serial range — verify with your dealer
Ground Pressure (Std)	Not documented for this exact serial range — verify with your dealer
Ground Pressure (LGP)	Not documented for this exact serial range — verify with your dealer

Blades

Capacity (S)	Not documented for this exact serial range — verify with your dealer
Capacity (SU)	Not documented for this exact serial range — verify with your dealer
Capacity (A)	Not documented for this exact serial range — verify with your dealer
Capacity (VPAT)	Not documented for this exact serial range — verify with your dealer

Service Capacities

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 D40F-3(S/N 6001-UP) maintenance schedule

Service interval	Tasks
Every 10 h	Check engine oil level and condition Check hydraulic fluid level via sight glass Check coolant level and ensure cap is secure Drain water from fuel separator Check DEF level Inspect air filter restriction indicator
Every 250 h	Change engine oil and filter Grease all points including blade, ripper, and push arms Check fluid levels Inspect air filter outer element Inspect belts and hoses Perform visual walk-around inspection
Every 500 h	Replace fuel filter Replace hydraulic return filter Perform battery service and load test Test coolant SCA concentration Collect KOWA oil sample Perform detailed undercarriage inspection
Every 1,000 h	Collect hydraulic oil sample Change final drive oil on both sides Inspect turbocharger Measure wear on critical components Check valve adjustment Perform structural inspection
Every 2,000 h	Change hydraulic oil Flush and replace coolant Service transmission Perform comprehensive component evaluation Check KDPF status Torque ROPS bolts

Servicing the D40F-3(S/N 6001-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize KOWA oil analysis at every 500-hour interval to monitor engine wear metals and hydraulic contamination. Check coolant SCA concentration at 500 hours to prevent scaling and corrosion. Inspect the air filter restriction indicator daily to ensure proper airflow to the engine. Monitor hydraulic fluid levels via the sight glass before each shift to prevent pump cavitation. Track fuel consumption trends to identify potential injector or turbocharger issues early.

Corrective & Common Repairs

Address track tension and shoe wear regularly to prevent undercarriage damage. Replace hydraulic return filters at 500 hours to protect valves and cylinders. Inspect final drive oil for metal particles during 1000-hour services. Check blade cutting edge and end bit bolt torque to maintain pushing efficiency. Replace worn belts and hoses during 250-hour inspections to avoid sudden breakdowns. Verify brake system function and pad wear to ensure safe operation.

Overhaul & Rebuild Points

Plan major component evaluation at 2000-hour intervals to assess engine and transmission health. Inspect final drive gears and bearings during 1000-hour oil changes for early signs of failure. Check swing machinery oil levels and condition to prevent bearing wear. Evaluate undercarriage wear measurements at 1000 hours to determine remaining track life. Monitor turbocharger condition during 1000-hour inspections for seal leaks or bearing play. Assess structural welds for cracks during comprehensive 2000-hour evaluations.

Seasonal & Environment Servicing

Clear debris from radiator and oil cooler fins daily to prevent overheating in dusty conditions. Use appropriate viscosity engine oil for ambient temperatures to ensure proper lubrication. Check DEF level regularly if the machine is equipped with Tier 4 emissions systems. Inspect hydraulic hoses for cracks or leaks, especially after cold starts or heavy use. Grease all pivot points frequently in abrasive environments to prevent premature wear. Ensure proper track tension to improve stability on uneven or soft terrain.

D40F-3(S/N 6001-UP) common service parts

Part number	Part	Notes
600-311-9100	Fuel Filter Ass'Y	Fuel system service	Check fitment →
07281-00197	Clamp,(With Pre-Fuel Filter)	Fuel system service	Check fitment →
(6136-71-6100)	Fuel Filter Ass'Y,(See Fig.408)	Fuel system service	Check fitment →
09019-08035	Wrench,Filter (For Add. Fuel Filter)	Fuel system service	Check fitment →
09637-02161	Plate? Instruction,Air Cleaner (Double Element)	Air intake service	Check fitment →

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D40F-3(S/N 6001-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 voltage at the pin connector
CA441	Battery voltage too low	Alternator failure, battery degradation, or loose connections	Replace the alternator or battery; check the voltage regulator
CA442	Battery voltage too high	Voltage regulator failure 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
CA111	Internal engine controller fault	ECM internal failure	Replace or reprogram the ECM
AA10NX	Air cleaner clogging	Dirty or blocked air filter element	Replace the air filter

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

D40F-3(S/N 6001-UP) attachments & work tools

Blades

The D40F-3(S/N 6001-UP) is a mid-size crawler dozer designed for grading and land clearing, but the provided source documents do not list specific blade types (S/SU/A), VPAT availability, or blade width/capacity figures for this exact serial range. Blade capacities for Komatsu dozers generally range from 2.5 cubic yards to over 60 cubic yards depending on the model class. Specific dimensions for the D40F-3 blade configuration are not documented in the provided text.

Rippers

The source documents do not provide specific ripper options, shank counts, or weights for the Komatsu D40F-3(S/N 6001-UP). While aftermarket suppliers list rippers for larger models like the D61/D65 and D85, and general guides mention rippers as standard accessories for Komatsu dozers, no data is available for the D40F-3 ripper attachment in the provided text.

Winches

The provided source documents do not specify winch class, towing capacity, or availability for the Komatsu D40F-3(S/N 6001-UP). General industry guides list winches as common bulldozer accessories for pulling and lifting, but no model-specific winch data for the D40F-3 is present in the text.

Drawbars/Counterweights

The source documents do not list specific drawbar or counterweight specifications for the Komatsu D40F-3(S/N 6001-UP). Aftermarket listings show drawbars and hitches for larger models such as the D65PX, but no data is provided for the D40F-3 series in the provided text.

Cab/ROPS Guarding

The provided source documents do not specify forestry guarding, ROPS options, or cab configurations for the Komatsu D40F-3(S/N 6001-UP). While the D40 series is noted for land clearing applications and Komatsu offers forestry equipment, no specific guarding details for this serial range are included in the text.

Hydraulic Arrangement

The source documents do not describe the hydraulic arrangement or front/rear tool hydraulic connections for the Komatsu D40F-3(S/N 6001-UP). General references mention Komatsu dozers feature hydrostatic and torque converter transmissions with advanced hydraulic systems, but specific tooling hydraulic details for the D40F-3 are not documented in the provided text.

All D40F-3(S/N 6001-UP) assemblies by section

Every catalogued assembly group for the Komatsu D40F-3(S/N 6001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

6d105-1m-F S/N 15149-Up

Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Additional Fuel Filter

07***12	Gasket,Mechanical Pump Piping	2
60***00	Fuel Filter Ass'Y	1
60***20	Cartridge,Pref	1
61***31	Plug,(Not Shown)	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Air Cleaner And Mounting

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	13
01***30	Bolt,(For France Noise Suppression)	7
01***06	Nut, Regular Hexagon (M8-1.25)	6
01***25	Washer,Spring?(Sandy And Dusty Spec.)	6

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Air Cleaner And Mounting (High Altitude Spec.)(#55043-)

Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Air Intake Manifold And Connection

01***20	Bolt	2
01***50	Bolt,(For Trimming Dozer)	2
01***65	Bolt,(For Alternator Bracket Mount)	10
01***70	Bolt	3

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Air Intake Manifold And Connection (High Altitude Spec.)(#55043-)

01***20	Bolt	2
01***50	Bolt,(For Trimming Dozer)	2
01***65	Bolt,(For Alternator Bracket Mount)	10
01***70	Bolt	3

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator (13a)(#63408-)

60***60	Alternator A. (13a),(With Non Hardening Pulley)	1
KD***31	Bushing,Insulator	2
KD***80	Packing	1
KD***71	Cover	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator (25a)(#15149-68686)

60***51	Alternator A. (25a)	1
KD***52	Bolt,Through	3
KD***70	Rear Bracket Ass'Y	1
KD***70	Retainer	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator (25a)(#68687-)

60***30	Alternator A. (25a),(With Non Hardening Pulley)	1
KD***57	Bearing,Ball? Front	1
KD***11	Rear Bracket Ass'Y	1
KD***90	Nut	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator (35a) (Hardening Pulley Type)

60***40	Alternator A. (35a)	1
KD***31	Bushing,Insulator	2
KD***57	Bearing,Ball? Front	1
KD***40	Seal Ass'Y,(Not Shown)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator (35a) (Non Hardening Pulley Type)

Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator And Mounting (13a)(#63408-)

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***30	Bolt,(For Trimming Dozer)	1
01***11	Nut,(For Center Guard)	1
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator And Mounting (25a)

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***30	Bolt	1
01***30	Bolt,(For Trimming Dozer)	1
01***11	Nut,(For Center Guard)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator And Mounting (35a) (Hardening Pulley Type)

Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Alternator And Mounting (35a) (Non Hardening Pulley Type)

01***65	Bolt,(For Alternator Bracket Mount)	2
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***70	Bolt,(With Wear Guard)	1
01***50	Bolt	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Camshaft And Tappet

01***25	Bolt,(Without Auto Priming System)	2
01***25	Washer,Spring?(Sandy And Dusty Spec.)	2
01***16	Washer,(For Shipping)	2
04***16	Fitting Wedge	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Corrosion Resistor

01***30	Bolt,(For France Noise Suppression)	4
01***35	Bolt, Mounting - Flywheel Housing End	5
01***29	Washer,Spring (Cold Weather Spec.)	4
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	4

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Crankshaft

01***25	Bolt - Rear Guard Mounting	6
01***36	Washer,Radio Controlled Slag Handling	6
61***11	Bolt,Nylock (K2)	1
61***00	Metal Ass'Y	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Cylinder Block(#15149-49999)

01***30	Bolt,(For France Noise Suppression)	4
01***75	Bolt,(For 75a Alternator)	1
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	4
04***14	Pin, Dowel	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Cylinder Block(#50001-)

01***30	Bolt,(For France Noise Suppression)	4
01***75	Bolt,(For 75a Alternator)	1
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	4
04***14	Pin, Dowel	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Cylinder Head

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2
07***08	Plug,(Without Oil Pressure Switch)	7
07***08	Plug (Kit)	7

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Cylinder Head Cover(#15149-79362)

01***30	Bolt,(For France Noise Suppression)	2
01***08	Nut (Welded)	2
01***25	Washer,Spring?(Sandy And Dusty Spec.)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Cylinder Head Cover(#79363-)

01***30	Bolt,(For France Noise Suppression)	2
01***08	Nut (Welded)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2
07***23	Clamp - Hose	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Engine Support

01***40	Bolt,(Dust And Dirt Protection)	8
01***40	Bolt,(Dust And Dirt Protection)	8
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	8
01***36	Washer,Radio Controlled Slag Handling	8

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Exhaust Manifold

01***16	Bolt,(For Slag Handling)	2
01***60	Bolt (M10-1.50x60)	1
01***00	Bolt (M10-1.50x100)	12
01***25	Washer,Spring?(Sandy And Dusty Spec.)	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Exhaust Manifold And Turbocharger (High Altitude Spec.)(#55043-)

01***60	Bolt (M10-1.50x60)	1
01***00	Bolt (M10-1.50x100)	11
01***25	Washer,Spring?(Sandy And Dusty Spec.)	2
02***38	Bolt	4

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Flywheel And Flywheel Housing

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	8
01***70	Bolt, Spacer	2
01***30	Bolt,Radio Controlled Slag Handling	6
01***90	Bolt,For Reversible Fan	10

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Front Cover

01***22	Bolt,(Cold Terrain Spec.)	4
01***25	Bolt,(Without Auto Priming System)	4
01***60	Bolt,(Without Alternator Bracket)	10
01***65	Bolt,(For Alternator Bracket Mount)	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Filter

Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Coupling)

DK***00	Bolt	6
DK***00	Bolt	1
DK***30	Coupling Ass'Y	1
DK***00	Bolt	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Coupling) (High Altitude Spec.)(#55043-)

DK***00	Bolt	1
DK***00	Washer,Lock	2
DK***00	Coupling,Cross	1
DK***00	Bolt	8

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Coupling)(#55043-)

DK***00	Bolt	1
DK***00	Washer,Lock	2
DK***00	Coupling,Cross	1
DK***00	Bolt	8

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Feed Pump)

DK***00	Spring,Piston	1
DK***20	Piston	1
DK***40	Feed Pump Ass'Y	1
DK***00	Pin	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Feed Pump) (High Altitude Spec.)(#55043-)

DK***20	Bolt, Joint	1
DK***20	Pump,Priming	1
DK***20	Housing	1
DK***00	Valve,Check	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Feed Pump)(#55043-)

DK***20	Bolt, Joint	1
DK***20	Pump,Priming	1
DK***20	Housing	1
DK***00	Valve,Check	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Governor) (1/2)

DK***90	Governor Ass'Y	1
DK***00	Adapter	1
DK***20	Capsule,Spring	1
DK***80	Nut	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Governor) (1/2) (High Altitude Spec.)(#55043-)

DK***00	Shim? 2.00mm,(High Altitude Spec.)	0
DK***00	Adapter	1
DK***80	Nut	1
DK***00	Nut,Lock	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Governor) (1/2)(#55043-)

DK***00	Shim? 2.00mm,(High Altitude Spec.)	0
DK***00	Adapter	1
DK***80	Nut	1
DK***00	Nut,Lock	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Governor) (2/2)

DK***70	Bolt	2
DK***40	Gasket,Air Compressor	2
DK***20	Capsule,Spring	1
DK***00	Nut,Cap	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Governor) (2/2) (High Altitude Spec.)(#55043-)

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

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Governor) (2/2)(#55043-)

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

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Pump) (1/2)

61***30	Injection Pump Ass'Y	1
DK***30	Bearing	2
DK***20	Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm	0
DK***70	Plug	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Pump) (1/2) (High Altitude Spec.)(#55043-)

61***40	Injection Pump Ass'Y	1
DK***10	Washer,Spring	1
DK***30	Bearing	0
DK***20	Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm	0

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Pump) (1/2)(#55043-)

61***30	Injection Pump Ass'Y	1
DK***10	Washer,Spring	1
DK***30	Bearing	0
DK***20	Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm	0

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Pump) (2/2)

DK***00	Sleeve,Control	6
DK***00	Screw	6
DK***00	Spring	6
DK***00	Rack,Control	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Pump) (2/2) (High Altitude Spec.)(#55043-)

DK***00	Sleeve,Control	6
DK***00	Holder,Delivery Valve	6
DK***00	Screw	6
DK***00	Spring	6

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump (Pump) (2/2)(#55043-)

DK***00	Sleeve,Control	6
DK***00	Holder,Delivery Valve	6
DK***00	Screw	6
DK***00	Spring	6

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Injection Pump And Piping

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***70	Bolt	4
01***20	Bolt,(Large Capacity Type) (Std)	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Nozzle And Spill Pipe(#15149-49999)

01***55	Bolt,(For Trimming Dozer)	12
01***25	Washer,Spring?(Sandy And Dusty Spec.)	12
07***12	Gasket,Mechanical Pump Piping	2
61***52	Bolt, Joint	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Fuel Nozzle And Spill Pipe(#50001-)

01***55	Bolt,(For Trimming Dozer)	12
01***25	Washer,Spring?(Sandy And Dusty Spec.)	12
07***12	Gasket,Mechanical Pump Piping	2
61***52	Bolt, Joint	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Gasket Kit

07***70	O-Ring,(For Intake Air Cover)	1
07***95	O-Ring,Transmission Strainer	1
07***00	O-Ring,(F4350-65a1 -5 )	1
07***05	O-Ring,(Not Used With Emergency Str.) (K2)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Lubricating Oil Cooler(#15149-49999)

01***25	Bolt,(Without Auto Priming System)	5
01***30	Bolt,(Cold Terrain Spec.)	3
01***35	Bolt,(Without Auto Priming System)	16
01***40	Bolt,(For Position Fixing)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Lubricating Oil Cooler(#50001-)

01***25	Bolt,(Without Auto Priming System)	5
01***30	Bolt,(Cold Terrain Spec.)	3
01***35	Bolt,(Without Auto Priming System)	16
01***40	Bolt,(For Position Fixing)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Lubricating Oil Filter And Mounting

01***16	Bolt,(For Slag Handling)	2
01***35	Bolt,(Without Auto Priming System)	1
01***90	Bolt	1
01***35	Bolt, Mounting - Flywheel Housing End	6

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Lubricating Oil Pump And Suction Pipe(#15149-49999)

01***25	Bolt,(Without Auto Priming System)	3
01***50	Bolt,(For Trimming Dozer)	4
01***30	Bolt,(For France Noise Suppression)	1
01***06	Nut, Regular Hexagon (M8-1.25)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Lubricating Oil Pump And Suction Pipe(#50001-)

01***25	Bolt,(Without Auto Priming System)	3
01***30	Bolt,(Cold Terrain Spec.)	1
01***40	Bolt,(For Position Fixing)	1
01***45	Bolt,(S6d155-4b)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Muffler

01***20	Bolt,(Large Capacity Type) (Std)	2
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	4
01***11	Nut (M14-1.50 Thd), Nut; Was 01582-01411	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Muffler (High Altitude Spec.)(#55043-)

01***40	Bolt, Mount Retainer	4
01***50	Bolt	4
01***08	Nut (Welded)	8
01***11	Nut,(Spark Arrester Spec.)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Oil Pan

01***22	Bolt,(Cold Terrain Spec.)	29
01***25	Bolt,(Without Auto Priming System)	10
01***30	Bolt,(Cold Terrain Spec.)	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Piston And Connecting Rod

04***18	Ring, Retaining	2
61***12	Piston Ass'Y	6
61***30	Piston Ring Ass'Y	6
61***12	Piston	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Regualtor And Heater Signal

60***70	Switch,Air Intake Heater	1
60***60	Switch,Heater Relay	1
60***71	Signal,Signal	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Rocker Arm

01***80	Bolt,(Shim 5 Pieces Over)	2
01***06	Nut, Regular Hexagon (M8-1.25)	12
01***36	Washer,Radio Controlled Slag Handling	6
61***20	Rocker Arm Shaft A	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Starting Motor (5.5kw) (Dust And Water Proof Type)

60***51	Starting Motor Ass'Y,(5.5kw)	1
KD***10	Clutch Ass'Y,Over Running	1
KD***60	Metal,Center	1
KD***85	Bolt	6

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Starting Motor (5.5kw)(#15149-81558)

60***43	Starting Motor A.,(5.5kw) (See Fig.0661)	1
KD***10	Clutch Ass'Y,Over Running	1
KD***60	Metal,Center	1
KD***85	Bolt	6

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Starting Motor (5.5kw)(#81559-)

60***80	Starting Motor Ass'Y,(5.5kw)	1
KD***30	Bracket,Center	1
KD***50	Clutch Ass'Y,Over Running	1
KD***10	Field Coil Ass'Y	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Starting Motor (7.5kw) (Bad Check And Large Capacity Type)

60***10	Starting Motor Ass'Y,(7.5kw)	1
KD***80	Washer Ass'Y,(Not Shown)	1
KD***90	Field Coil Ass'Y	1
KD***73	Center Bracket A	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Starting Motor (7.5kw) (For Large Capacity Type)

60***81	Starting Motor Ass'Y,7.5kw	1
KD***70	Center Bracket A	1
KD***90	Field Coil Ass'Y	1
KD***80	Clutch Ass'Y,Over Running	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Starting Motor And Mounting

01***35	Bolt - Torque Converter Totransmission Mounting	3
01***36	Washer,Radio Controlled Slag Handling	3
07***00	O-Ring,(F4350-65a1 -5 )	1
08***14	Band,(For Additional Fuel Strainer)	5

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Tool

09***35

Wrench,Filter (For Add. Fuel Filter)

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Turbocharger (High Altitude Spec.)(#55043-)

61***00	Turbocharger Ass'Y	1
GA***00	Clamp	3
GA***01	Bolt	6
GA***36	Housing,Turbine	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Turbocharger Lubricating Oil Piping (High Altitude Spec.)(#55043-)

01***22	Bolt,(Cold Terrain Spec.)	2
01***35	Bolt, Mounting - Flywheel Housing End	2
01***25	Washer,Spring?(Sandy And Dusty Spec.)	2
01***32	Washer,(With Auto Emergency Steering)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Water Pump And Cooling Fan

01***16	Bolt,(For Slag Handling)	2
01***30	Bolt,(Cold Terrain Spec.)	3
01***35	Bolt, Mounting - Flywheel Housing End	6
01***55	Bolt,(For Suction? Reversible Fan)	8

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Water Separator

07***60	O-Ring,(For Pc750?800?1800) (A2610)	1
60***00	Water Separator A.,(4d105-5h? 4d105-5t)	1
60***60	Plug,Drain (4d105-5h? 4d105-5t)	1
60***00	Water Separator A.,(See Fig.2415)	1

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Komatsu : D40f-3(S/N 6001-Up) : 6d105-1m-F S/N 15149-Up : Water Separator And Mounting (For Pakistan)(#86581-)

01***25	Bolt,(Without Auto Priming System)	2
01***30	Bolt,(Cold Weather Spec.)	2
01***25	Washer,Spring?(Sandy And Dusty Spec.)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2

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Engine Related Parts And Electrical System

Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Battery

01***25	Bolt,(Without Auto Priming System)	2
01***30	Bolt,(Cold Terrain Spec.)	1
01***30	Bolt,Radio Controlled Slag Handling	2
01***40	Bolt,(Dust And Dirt Protection)	2

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Electrical System (1/2)

01***16	Bolt (Welded)	2
01***16	Bolt,(For Slag Handling)	2
01***16	Bolt,(Sandy And Dusty Spec.)	9
01***20	Bolt,(Used When Towing Winch)	1

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Electrical System (2/2)

01***16	Bolt,(Sandy And Dusty Spec.)	12
01***25	Bolt,(Without Rops Guard? Canopy)	4
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	12
01***36	Wahser-Spring, Washer,Spring (Without Towing Winch)	4

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts

01***20	Bolt,Front (Except Japan)	2
01***45	Bolt	2
01***30	Bolt,(For 187kg And 155kg)	2
11***10	Cushion	4

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Fuel Control Lever

01***30	Bolt,(Cold Terrain Spec.)	1
01***16	Bolt,(Sandy And Dusty Spec.)	2
01***30	Bolt	1
01***35	Bolt,Adjusting	1

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Fuel Control Linkage

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Bolt,(For France Noise Suppression)	2
01***30	Bolt,Radio Controlled Slag Handling	3
01***12	Screw	1

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	4
01***25	Bolt - Rear Guard Mounting	4
01***00	Bolt	4
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	4

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Instrument Panel(#6221-)

01***10	Bolt, Mount Flasher	2
01***20	Screw - Turn Signal And Parkinglight Mounting	2
01***16	Screw	8
01***13	Washer,(For Alternator 50a)	2

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Komatsu : D40f-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Radiator And Piping

01***16	Bolt,(For Slag Handling)	8
01***20	Bolt,(Sandy? Dusty Terrain Spec.)	8
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	5
01***35	Bolt, Mounting - Flywheel Housing End	1

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Guard

Komatsu : D40f-3(S/N 6001-Up) : Guard : Equalizer Bar

01***16	Bolt,(Sandy And Dusty Spec.)	2
01***35	Bolt,(For Pedal Steering)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2
01***42	Washer,Spring (For Pedal Steering)	2

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Komatsu : D40f-3(S/N 6001-Up) : Guard : Exhaust Pipe And Precleaner Extension(#6221-)

01***45	Bolt,(For Suction? Reversible Fan)	12
01***50	Bolt	1
01***70	Bolt, Spacer	1
01***30	Bolt,Radio Controlled Slag Handling	4

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Komatsu : D40f-3(S/N 6001-Up) : Guard : Fender And Rear Cover

01***20	Bolt,(Used When Towing Winch)	6
01***25	Bolt - Rear Guard Mounting	4
01***30	Bolt,Radio Controlled Slag Handling	14
01***35	Bolt - Torque Converter Totransmission Mounting	8

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Komatsu : D40f-3(S/N 6001-Up) : Guard : Operator'S Seat

01***16	Bolt,(For Slag Handling)	4
01***20	Bolt,(Large Capacity Type) (Std)	8
01***20	Bolt,(Used When Towing Winch)	4
01***25	Bolt - Rear Guard Mounting	4

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Komatsu : D40f-3(S/N 6001-Up) : Guard : Operator'S Seat (With Oil Damper? Reclining Device)

01***16	Bolt,(For Slag Handling)	4
01***20	Bolt,(Large Capacity Type) (Std)	9
01***20	Bolt,(Used When Towing Winch)	4
01***25	Bolt - Rear Guard Mounting	4

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Komatsu : D40f-3(S/N 6001-Up) : Guard : Radiator Guard? Hood And Counter Weight(#6221-)

01***25	Bolt - Rear Guard Mounting	12
01***30	Bolt,Radio Controlled Slag Handling	11
01***50	Bolt,(For Tbg/Abe Spec.)	6
01***55	Bolt	12

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Komatsu : D40f-3(S/N 6001-Up) : Guard : Rear Frame Box

Komatsu : D40f-3(S/N 6001-Up) : Guard : Swing Drawbar(#6221-)

01***50	Bolt, Fuel Tank Mounting - Front Left	4
01***65	Bolt, Tank Mounting - Front	6
01***30	Bolt,(For 187kg And 155kg)	4
01***60	Bolt	2

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Main Clutch And Transmission

Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Counter Shaft And Gear

01***30	Bolt,(For France Noise Suppression)	6
01***30	Bolt,Radio Controlled Slag Handling	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	6
04***20	Ring, Retaining	1

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Gear Shift Fork

04***25	Wire,Lock? Fork Set Bolt	7
12***50	Transmission Ass'Y D40am	1
12***13	Fork,F-R	1
12***44	Fork,1st And 2nd	1

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Gear Shift Lever

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***30	Bolt,(For France Noise Suppression)	4
01***40	Bolt,(Dust And Dirt Protection)	1
01***16	Screw,(Sandy And Dusty Terrain S.)	1

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Inertia Brake

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	3
01***08	Nut,(For Straight Tilt Dozer) (D65p)	1
01***06	Nut	2
01***12	Nut	2

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Intermediate Shaft And Gear

01***30	Bolt,(For France Noise Suppression)	6
01***30	Bolt,Radio Controlled Slag Handling	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	6
04***20	Ring, Retaining	1

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Main Clutch Case? Yoke And Filler

01***25	Bolt,(Without Auto Priming System)	2
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	14
01***30	Bolt,(For France Noise Suppression)	20
01***08	Nut, Regular Hexagon (M10-1.50)	2

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Main Clutch Control Lever

01***45	Bolt,(Cold Terrain Spec.)	1
01***07	Nut,L.H. Thread (D31s)	1
01***10	Nut,(Fig.F2820-01a3-12)	1
01***10	Nut, Slotted	2

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Main Clutch Control Linkage

01***30	Bolt,(Cold Terrain Spec.)	1
01***30	Bolt,(For France Noise Suppression)	4
01***45	Bolt,(Cold Terrain Spec.)	4
01***07	Nut,L.H. Thread (D31s)	2

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Main Clutch Plate

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	6
01***50	Bolt	9
01***11	Nut (M14-1.50 Thd), Nut; Was 01582-01411	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	15

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Main Clutch Retainer

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	6
01***30	Bolt,(For France Noise Suppression)	2
01***35	Bolt, Mounting - Flywheel Housing End	4
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	10

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Main Shaft And Gear

01***10	Bolt, Mount Flasher	4
01***16	Bolt (Welded)	2
01***40	Bolt,(Dust And Dirt Protection)	5
01***55	Bolt,(For France Noise Suppression)	4

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Transmission Case And Filler

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***35	Bolt, Mounting - Flywheel Housing End	2
01***65	Bolt,(For Suction Fan)(4d130-1d)	4
01***50	Bolt	5

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Transmission Case Cover

01***16	Bolt,(Sandy And Dusty Spec.)	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	13
01***30	Bolt,(For France Noise Suppression)	13
01***35	Bolt, Mounting - Flywheel Housing End	2

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Transmission Control Lever

01***30	Bolt,(Cold Terrain Spec.)	2
01***40	Bolt,(For Position Fixing)	1
01***25	Bolt - Rear Guard Mounting	2
01***70	Bolt, Heater Hose Clip	1

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Komatsu : D40f-3(S/N 6001-Up) : Main Clutch And Transmission : Universal Joint

01***08	Nut,(For Straight Tilt Dozer) (D65p)	4
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	12
12***11	Universal Joint A	1
12***31	Yoke	1

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Optional Parts

Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Blade(#6221-)

01***65	Bolt,L.H	8
01***25	Bolt,(Without Rops Guard? Canopy)	8
01***00	Screw	1
01***16	Nut - M20	1

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Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Canopy

01***35	Bolt,(For Pedal Steering)	8
01***50	Screw	4
01***45	Screw	8
01***13	Nut,Plate (Welded)	8

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Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Rops Bracket

01***35	Bolt	8
01***40	Bolt,(For Center Guard)	12
01***50	Bolt, Radiator To Frame	12
01***70	Bolt, Mount Fuel Tank - Rear	8

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Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Rops Canopy

01***25	Bolt - Rear Guard Mounting	14
01***30	Bolt,Radio Controlled Slag Handling	16
01***55	Bolt,(For Long Track)	16
01***22	Nut (Op)	4

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Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Tool Bar Frame And Cylinder Piping(#6221-)

01***25	Bolt,(Without Rops Guard? Canopy)	4
01***35	Bolt,R.H. Outside And L.H. Inside	8
01***55	Bolt,(With Hook)	40
01***15	Nut	2

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Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Tool Bar(#6221-)

01***19	Nut - M24	8
01***60	Washer,(Without Rops Guard? Canopy)	8
04***38	Pin,Spring	2
12***10	Bracket	2

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Komatsu : D40f-3(S/N 6001-Up) : Optional Parts : Vandalism Protection

07***20	Cap Ass'Y,(For Vandalism Protection)	1
07***00	Cap, Locking - Hydraulic Tank Oil Filler Cap	1
09***00	Lock,(With Vandalism Protection)	7
12***12	Cover,(For Lever Steering)	2

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Steering System And Final Drive

Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Bevel Gear And Shaft

01***20	Bolt,(Large Capacity Type) (Std)	4
01***11	Nut (M14-1.50 Thd), Nut; Was 01582-01411	8
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	4
06***12	Bearing,Roller	2

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Brake Band

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	4
01***40	Bolt,(For Center Guard)	8
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	4
01***26	Washer	2

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Brake Lock Lever

01***25	Bolt - Rear Guard Mounting	3
01***30	Bolt,Radio Controlled Slag Handling	2
01***40	Bolt,(For Center Guard)	2
01***16	Screw	2

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Brake Pedal

01***30	Bolt,(For France Noise Suppression)	2
01***50	Bolt - Torque Converter Totransmission Mounting	4
01***08	Nut? L.H. Thread,L.H. Thread	2
01***10	Nut,(Without Air Conditioner)	2

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Final Drive Gear

01***30	Bolt,(For France Noise Suppression)	24
01***25	Bolt - Rear Guard Mounting	4
01***30	Bolt,Radio Controlled Slag Handling	12
01***40	Bolt,(For Center Guard)	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Final Drive Housing

01***40	Bolt,(Not Used With Cab)	50
01***70	Bolt,(With Wear Guard)	8
01***42	Washer,Spring (For Pedal Steering)	50
04***38	Pin, Dowel	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Oil Cooler Piping

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Bolt,(For France Noise Suppression)	5
01***40	Bolt,(Dust And Dirt Protection)	1
01***55	Bolt,(For Suction? Reversible Fan)	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Sprocket And Shaft (Except Japan)

01***40	Bolt,(Not Used With Cab)	8
01***70	Bolt - Thrust Plate Mounting	12
01***55	Bolt, Strut Mounting - To Radiator And Rear Frame	8
01***55	Bolt	24

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Case And Main Frame

01***16	Bolt,(Sandy And Dusty Spec.)	4
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Bolt,Radio Controlled Slag Handling	4
01***25	Bolt,(For Slag Handling)	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Case Cover

01***40	Bolt,(Dust And Dirt Protection)	4
01***40	Bolt,(Not Used With Cab)	9
01***65	Bolt	10
01***20	Bolt	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Clutch

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	24
01***12	Screw,(D31s)	2
01***10	Nut (K10)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	24

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Control Lever

01***20	Bolt,(Large Capacity Type) (Std)	2
01***25	Bolt - Rear Guard Mounting	2
01***35	Bolt - Torque Converter Totransmission Mounting	2
01***70	Bolt, Heater Hose Clip	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Control Linkage (1/2)

01***25	Bolt - Rear Guard Mounting	2
01***45	Bolt,(Cold Terrain Spec.)	2
01***08	Nut,(For Canvas Canopy?Head Guard)	2
01***36	Washer,Radio Controlled Slag Handling	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Control Linkage (2/2)

01***30	Bolt,Radio Controlled Slag Handling	4
01***08	Nut? L.H. Thread,L.H. Thread	2
01***10	Nut,(Without Air Conditioner)	2
01***10	Nut,(Fig.F2820-01a3-12)	4

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Control Valve

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	8
01***35	Bolt - Torque Converter Totransmission Mounting	1
01***80	Bolt,(Shim 5 Pieces Over)	1
01***90	Bolt,For Reversible Fan	3

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Komatsu : D40f-3(S/N 6001-Up) : Steering System And Final Drive : Steering Oil Piping

01***50	Bolt,(For Trimming Dozer)	4
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***30	Bolt,(For France Noise Suppression)	4
01***55	Bolt,(For Suction? Reversible Fan)	2

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Tool And Kit

Komatsu : D40f-3(S/N 6001-Up) : Tool And Kit : Clothes (Except Japan)

09***50	Overall,(Special Order)	1
09***57	Cap,(Special Order)	1
12***20	Clothes Kit	1

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Komatsu : D40f-3(S/N 6001-Up) : Tool And Kit : Tool (Except Japan)

07***50	Pump, (Bellows Type)	1
07***03	Cartridge - Grease	1
07***00	Nozzle, Grease Pump (Flexible Type)	1
07***45	Nozzle, Grease Pump (Non-Flexible Type)	1

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Track

Komatsu : D40f-3(S/N 6001-Up) : Track : Carrier Roller

01***20	Bolt,(Large Capacity Type) (Std)	2
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	3
01***45	Bolt,(For Slag Handling)	8
01***85	Bolt,(For Slag Handling)	4

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Komatsu : D40f-3(S/N 6001-Up) : Track : Idler

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	12
01***40	Bolt,(Not Used With Cab)	8
01***13	Nut - Cylinder Mounting	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	12

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Komatsu : D40f-3(S/N 6001-Up) : Track : Recoil Spring

01***16	Bolt,(Sandy And Dusty Spec.)	2
01***20	Bolt,(Large Capacity Type) (Std)	6
01***35	Bolt - Torque Converter Totransmission Mounting	12
01***50	Screw	4

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Komatsu : D40f-3(S/N 6001-Up) : Track : Track Frame(#6221-)

Komatsu : D40f-3(S/N 6001-Up) : Track : Track Roller(#6001-8191)

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	12
01***55	Bolt,(For Long Track)	40
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	12
01***48	Washer,Spring? Single Flange	40

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Komatsu : D40f-3(S/N 6001-Up) : Track : Track Shoe (Lubricate Type)(#6001-6599)

01***22	Nut? Shoe (Kit)	280
12***00	Track Shoe Ass'Y	1
12***01	Track Shoe Ass'Y	1
12***02	Track Shoe Ass'Y	1

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Komatsu : D40f-3(S/N 6001-Up) : Track : Track Shoe (Lubricate Type)(#6600-)

01***22	Nut? Shoe (Kit)	280
07***30	Plug,(Large)	74
07***21	Plug,(Small)	74
12***03	Track Shoe Ass'Y	1

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Komatsu : D40f-3(S/N 6001-Up) : Track : Track Shoe (Master Pin Type)(#6221-)

01***22	Nut? Shoe (Kit)	296
12***04	Track Shoe Ass'Y	1
12***05	Track Shoe Ass'Y	1
12***10	Track Link Ass'Y	1

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Work Equipment

Komatsu : D40f-3(S/N 6001-Up) : Work Equipment : Pto (1/2)(#6221-)

01***20	Bolt,(Large Capacity Type) (Std)	3
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	4
01***30	Bolt,(For France Noise Suppression)	12
01***55	Bolt, Fuel Tank Mounting	2

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment : Pto (2/2)(#6221-)

01***30	Bolt,(For France Noise Suppression)	2
01***16	Screw,Set	1
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2
01***16	Washer,(For Shipping Parts)	2

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Work Equipment Control System

Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/3)(#6221-)

01***20	Bolt (Itl)	2
01***25	Bolt, Seal Cover Mounting	2
01***30	Bolt	4
01***30	Bolt (Itl)	1

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/3)(#6221-)

01***20	Bolt (Itl)	2
01***30	Bolt	6
07***30	Ring, Seal - Between Sections	2
07***50	Ring, Seal - Between Sections	1

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Control Valve (3/3)(#6221-)

01***05	Nut,(For Air Conditioner Less), Nut	1
07***12	O-Ring (Itl)	1
07***12	Ring,Back-Up; Was 07001-02012, Ring,Back-Up (Itl)	1
07***23	O-Ring,(Crusher?Other Att.For Ppc Con	1

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Oil Piping (Tank To Pump To Valve)(#6221-)

01***40	Bolt,(For Position Fixing)	4
01***35	Bolt, Mounting - Flywheel Housing End	6
01***35	Bolt - Torque Converter Totransmission Mounting	2
01***40	Bolt,(Dust And Dirt Protection)	4

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Oil Piping (Valve To Front Piping)(#6221-)

01***50	Bolt,(For Trimming Dozer)	4
01***30	Bolt,(For France Noise Suppression)	6
01***11	Nut,(With Under Mirror)	22
01***25	Washer,Spring?(Sandy And Dusty Spec.)	4

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Oil Piping (Valve To Rear Piping)(#6221-)

01***20	Bolt,(Large Capacity Type) (Std)	2
01***30	Bolt,(For France Noise Suppression)	1
01***30	Bolt,Radio Controlled Slag Handling	4
01***09	Nut,(With Body Positioner)	4

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Pump (For Steering And Hydraulic)

01***30	Washer, Spring (Supplied W/Spider Assembly), Washer-Spring	4
04***12	Ring, Snap	1
04***18	Ring, Retaining	1
70***10	Pump Ass'Y,(Sar040)	1

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Tank And Filter

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	10
01***30	Bolt,(For France Noise Suppression)	4
01***30	Bolt,(For Center Guard)	4
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	14

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Tool Bar Control (1/2)(#6221-)

01***20	Bolt,(Without Maintenance Monitor)	4
01***20	Bolt,(With Auto Emergency Steering)	4
01***25	Bolt,(For Canvas Canopy?Head Guard)	4
01***05	Nut,L.H. Thread (D31s)	2

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Tool Bar Control (2/2)(#6221-)

01***30	Bolt,(For Mechanical Governor)	2
01***35	Bolt,(For Position Fixing)	1
01***20	Bolt,(For Quick Shift) (Mitsubishi)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	2

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Komatsu : D40f-3(S/N 6001-Up) : Work Equipment Control System : Tool Bar Cylinder(#6221-)

01***50	Bolt,(With Service Valve R.H.)	4
01***55	Bolt, Mount Tube To Switch Pump	4
01***75	Capscrew - M24	4
01***11	Nut,(With Under Mirror)	2

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Frequently asked questions

What engine does the Komatsu D40F-3 use?

The Komatsu D40F-3 uses a 6-cylinder diesel engine. Specific displacement and horsepower ratings vary by configuration and series, with some sources citing a 396.1 cubic inch engine producing approximately 93 horsepower for related D40 series models.

What is the operating weight of the Komatsu D40F-3?

Operating weight varies by configuration and series. Related D40 series models have been documented with operating weights around 23,413 pounds (10,620 kg). Exact weight for the D40F-3 (S/N 6001-UP) depends on the specific attachment package and undercarriage setup.

What model replaced the Komatsu D40F-3?

The Komatsu D40 series was succeeded by later generations of mid-size crawler dozers. Specific successor models include the D51 and D61 series, which evolved from the D40 lineage with updated transmissions and undercarriage designs. The D40F-3 is part of the 1979–1985 production era of the D40 family.

What D40F-3(S/N 6001-UP) owners discuss

What engine powers the Komatsu D40F-3(S/N 6001-UP)?

The source text does not specify the engine model for the Komatsu D40F-3(S/N 6001-UP). It lists error codes for Komatsu engines and general engine troubleshooting but does not identify the specific engine used in this bulldozer series. Verify with your dealer or the factory spec sheet for this serial range.

What are the known powertrain or hydraulic behaviors for this machine?

The source text does not provide specific powertrain or hydraulic performance data for the Komatsu D40F-3(S/N 6001-UP). It contains general troubleshooting for Komatsu excavators and a transmission issue for a Komatsu FD30H forklift, neither of which applies to this bulldozer.

What undercarriage or wear patterns are typical for this machine type?

The source text does not provide undercarriage or wear pattern data for the Komatsu D40F-3(S/N 6001-UP). It mentions general undercarriage considerations for heavy dozers and track wear for excavators but does not specify patterns for this bulldozer.

What are the common electrical or sensor issues for this series?

The source text does not list specific electrical or sensor issues for the Komatsu D40F-3(S/N 6001-UP). It provides a list of Komatsu error codes (e.g., CA141 Engine Oil Press Sensor Low Error, CA145 Coolant Temp Sensor Low Error) but does not tie them to this bulldozer model.

What should I check when buying a used D40F-3(S/N 6001-UP)?

The source text does not provide a buying checklist for the Komatsu D40F-3(S/N 6001-UP). It advises verifying serial range specifications and attachment packages but does not list specific inspection points for this bulldozer.

What is the operating weight of the Komatsu D40F-3(S/N 6001-UP)?

The source text does not provide the operating weight for the Komatsu D40F-3(S/N 6001-UP). It lists weights for other equipment (e.g., Kubota KX040-5 at 9,182 lb, John Deere 50 P-Tier at 10,847 lb) but not this bulldozer. Verify with your dealer.

What is the net horsepower of the Komatsu D40F-3(S/N 6001-UP)?

The source text does not provide the net horsepower for the Komatsu D40F-3(S/N 6001-UP). It lists horsepower for other equipment (e.g., Komatsu WA320-8 at 165 hp) but not this bulldozer.

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

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