Komatsuengine(no series)

Komatsu SA6D170-B-1F-SP(S/N 11763-UP)

Maintenance schedule, common problems & OEM parts breakdown

Search live SA6D170-B-1F-SP(S/N 11763-UP) parts

The Komatsu SA6D170-B-1F-SP is a six-cylinder, turbocharged, water-cooled diesel engine belonging to the SA6D170-B-1 series. It powers the PC1000-1, PC1000LC-1, PC1000SE-1, and PC1000SP-1 hydraulic crawler excavators, heavy-class machines with operating weights ranging from approximately 44,000 to 45,400 kg (97,000 to 100,000 lb). Production for this specific engine serial range (11763-UP) aligns with the late dash-1 generation excavators, serving as the powerplant for Komatsu's 100-ton class before the transition to the dash-6 generation (PC1100-6) and the SAA6D170E-2 series engines.

The SA6D170-B-1F-SP represents the final iteration of the 6D170-1 series architecture, featuring an electronically controlled fuel injection system and a turbocharger with an air-to-air aftercooler. This generation is significant in the used and parts market because it bridges the gap between older mechanical injection engines and modern Tier 4/Stage IIIA emissions units. The SA6D170-B-1F-SP is distinct from the earlier SA6D170-B-1F (S/N 10332-UP) and the later SA6D170E-2B variants, requiring specific parts for its unique fuel system and electronic controls. Its prevalence in the PC1000-1 series makes it a critical reference for fleet maintenance and overhaul planning in the heavy excavation sector.

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 SA6D170-B-1F-SP(S/N 11763-UP) specifications

Engine

Model	SA6D170-B-1F-SP
Series/Generation	6D170-1 Series
Configuration	6 cylinder in line engine, turbocharged
Displacement	23.2 liter (1413 in³)
Bore	170.0 mm (6.69 in)
Stroke	170.0 mm (6.69 in)
Compression Ratio	16.5:1
Gross Power	391 kW (524 hp) @ 1800 rpm
Torque	2650 Nm @ 1300 rpm
Aspiration	Turbocharged, after-cooled, cooled EGR
Cooling	Water-cooled
Governor	Variable Speed
Max Speed	2100 rpm

Weights

Engine Weight (Dry)

2740 kg (6040 lb)

Dimensions

Engine Length	1860 mm (73.2 in)
Engine Width	1240 mm (48.8 in)
Engine Height	2093 mm (82.4 in)

Performance

Note	Machine performance figures (travel speed, lift, dig, etc.) are not documented for the engine-only specification sheet; these values vary by host machine configuration (e.g., PC1000-1, WA700-8).

Service capacities (summary)

Engine Oil Capacity

18-19 liter (4.75-5.02 gal)

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

Komatsu SA6D170-B-1F-SP(S/N 11763-UP) maintenance schedule

Service interval	Tasks
Every 10 h	Check engine oil level and condition. Check hydraulic fluid level at sight glass. Check coolant level and ensure cap is secure. Drain water from fuel separator. Check air filter restriction indicator. Inspect hydraulic hoses for cracks or leaks.
Every 250 h	Change engine oil and filter. Grease all pivot points on boom, stick, and bucket. Check and tighten belt and hose clamps. Inspect undercarriage for loose pins or bushings. Check track tension and shoe condition. Clean debris from radiator and oil cooler fins.
Every 500 h	Replace fuel filter. Replace hydraulic return filter. Test battery load and clean terminals. Test coolant SCA concentration. Collect KOWA oil sample for analysis. Measure undercarriage wear and adjust tension.
Every 1,000 h	Change final drive oil on both sides. Clean or replace air filter outer element. Inspect turbocharger for wear or leaks. Check valve clearance and adjust if necessary. Inspect structural welds on boom and stick. Sample hydraulic oil for KOWA analysis.
Every 2,000 h	Change hydraulic system oil. Flush and replace coolant. Replace worn belts and hoses. Perform comprehensive structural inspection. Load test battery and alternator. Inspect swing machinery oil and change if needed.

Servicing the SA6D170-B-1F-SP(S/N 11763-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Komatsu KOWA fluid analysis at every 500-hour interval to monitor wear metals and contamination in the SA6D170-B-1F-SP engine. Track iron, copper, and lead levels in the engine oil to detect internal component wear early. Test coolant SCA concentration at 500 hours to prevent cavitation erosion in the cylinder liners. Monitor hydraulic oil particle count and viscosity to assess pump and valve health. Use KOMTRAX telematics to track engine load factors and fuel consumption trends, identifying inefficiencies before they cause failure. Regular analysis extends component life and prevents catastrophic powertrain damage.

Corrective & Common Repairs

Address common SA6D170-B-1F-SP issues by inspecting the turbocharger for shaft play and oil leaks at 1,000-hour intervals. Check the electronic fuel injection system for fault codes related to sensor failures or wiring harness damage. Replace the air filter outer element when the restriction indicator signals, preventing dust ingestion. Inspect the fuel water separator daily and drain accumulated water to protect injectors. Monitor the radiator and oil cooler fins for debris buildup that causes overheating. Tighten all belt and hose clamps during 250-hour services to prevent coolant or oil leaks.

Overhaul & Rebuild Points

Plan for an out-of-frame overhaul of the SA6D170-B-1F-SP when compression drops below specification or oil consumption exceeds limits. Replace cylinder liners, pistons, and piston rings as a set to restore compression and reduce blow-by. Inspect the crankshaft for wear and replace main and rod bearings if clearance exceeds factory tolerances. Recondition the cylinder head, replacing intake and exhaust valves, guides, and seats. Inspect the turbocharger housing and impeller for damage. Use a complete overhaul gasket kit to ensure proper sealing of the head, oil pan, and turbo connections during reassembly.

Seasonal & Environment Servicing

In cold climates, use low-temperature compatible Komatsu EO engine oil to ensure proper flow during startup. Check the battery charge and insulation regularly to prevent cold-weather failure. In dusty environments, inspect the air filter more frequently and clean the pre-cleaner if equipped. In high-humidity or coastal areas, inspect the electrical connectors and ECU for corrosion. Drain the fuel water separator daily to prevent water contamination. Ensure the cooling system is flushed and refilled with the correct mix of Komatsu Super Coolant AF-NAC to prevent freezing and boiling over in extreme temperatures.

SA6D170-B-1F-SP(S/N 11763-UP) common service parts

Part number	Part	Notes
07281-00197	Clamp,(With Pre-Fuel Filter)	Fuel system service	Check fitment →
600-311-8293	Cartridge, Fuel Filter	Fuel system service	Check fitment →
6127-71-6204	Fuel Filter Ass'Y,(For Slag Handling)	Fuel system service	Check fitment →
6127-71-6205	Fuel Filter Ass'Y	Fuel system service	Check fitment →
(6127-71-6203)	Fuel Filter Ass'Y	Fuel system service	Check fitment →

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SA6D170-B-1F-SP(S/N 11763-UP) fault codes & troubleshooting

Code	Meaning	Likely cause	What to do
CA115	Engine crankshaft speed sensor and backup speed sensor failure	Faulty speed sensor, broken wiring harness, or corroded connector at the sensor pin	Inspect the sensor wiring and connector; replace the speed sensor if voltage is abnormal at the pin
CA111	Internal engine controller (ECM) fault	Electronic Control Module internal failure or software corruption	Replace or reprogram the ECM
CA451	Common rail pressure sensor feedback value too high	Malfunctioning rail pressure sensor or actual overpressure condition in the fuel system	Diagnose the fuel rail pressure sensor and check pump lines for blockage
CA234	Engine overspeed	Incorrect throttle calibration, excessive engine load cycle, or operator misuse	Verify throttle calibration and review engine load cycles
CA441	Battery voltage too low	Weak battery, failing alternator, or loose connections	Replace the battery or alternator; check the voltage regulator
CA122	Intake air pressure sensor feedback voltage too high	Faulty intake pressure sensor or wiring issue	Verify the intake pressure sensor operation and inspect the wiring harness
CA123	Intake air pressure sensor feedback voltage too low	Sensor short circuit or severe airflow restriction in the intake system	Check for a sensor short or inspect the air filter and intake path for restrictions
CA153	Intake air temperature sensor feedback voltage too high	Faulty Intake Air Temperature (IAT) sensor	Replace or test the IAT sensor
CA2311	IMV (Idle Management Valve) solenoid valve failure	Failed IMV solenoid or open/short in the wire harness	Replace the IMV solenoid or inspect the wire harness for damage
AA10NX	Air cleaner clogging	Dirty or blocked air filter element	Replace the air filter element

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

SA6D170-B-1F-SP(S/N 11763-UP) attachments & work tools

Excavator Attachments

The SA6D170-B-1F-SP engine (S/N 11763-UP) is installed in the Komatsu PC1000-1, PC1000LC-1, PC1000SE-1, and PC1000SP-1 excavator series. These machines utilize standard excavator tooling including digging buckets, trenching buckets, and grading buckets. Typical bucket capacities for this class range from 10 to 15 cubic meters (13 to 20 cubic yards), varying by material density and configuration.

Loader Attachments

The SA6D170-B-1F-SP engine is also used in the Komatsu WA700-1L and WA700-3L wheel loaders. Compatible work tools include standard loading buckets, rock buckets, and multi-purpose buckets. Factory configurations for these loaders typically specify bucket capacities around 9.2 cubic meters (12 cubic yards), with hydraulic flow rates supporting high-breakout force attachments.

Generator Set Attachments

The engine powers the Komatsu DCA-500SSK, DCA-600SSK, and EGS650 generator sets. These are stationary industrial units rather than mobile work tools, but they interface with external electrical distribution panels and transfer switches. Configurations vary by power output requirements, typically ranging from 500 to 650 kVA, with factory-mounted sound attenuated enclosures.

Coupler and Mounting Systems

Excavator models (PC1000 series) use Komatsu's proprietary quick coupler system designed for high-tonnage machines, allowing for rapid tool changes without leaving the cab. Wheel loader models (WA700 series) utilize a standard pin-on bucket linkage system with hydraulic quick-attach options available as factory or dealer-installed configurations. Specific coupler part numbers are not documented in the provided sources; verify with your dealer for the exact quick-attach kit for your serial range.

Hydraulic Kit Requirements

High-flow attachments such as hydraulic breakers or mulchers require specific hydraulic kit configurations. The PC1000-1 series typically offers high-flow hydraulic options to support these tools, with flow rates varying by configuration. The WA700-3L loader also supports high-flow hydraulic circuits for auxiliary tools. Factory spec sheets indicate that hydraulic line routing and valve configurations must match the specific engine and machine serial number to ensure proper pressure and flow delivery.

Factory Guarding and Options

Factory configurations for the PC1000 series include FOPS/ROPS certified operator cabins, heavy-duty undercarriage guards, and engine compartment screens. Wheel loader options include counterweights, front and rear camera systems, and specialized lighting packages for night operation. Specific guarding part numbers are not documented in the provided sources; verify with your dealer for the exact guarding kit for your serial range.

All SA6D170-B-1F-SP(S/N 11763-UP) assemblies by section

Every catalogued assembly group for the Komatsu SA6D170-B-1F-SP(S/N 11763-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Accessory

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Accessory : Air Compressor (Inner Parts)

61***00	Air Compressor Ass'Y	1
DK***20	Unloader Valve A	1
DK***00	Seat,Intake Valve	1
DK***00	Bearing	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Accessory : Air Compressor And Mounting

01***25	Bolt,(Without Auto Priming System)	6
01***35	Bolt - Torque Converter Totransmission Mounting	2
01***70	Bolt, Heater Hose Clip	2
01***75	Bolt,(For 75a Alternator)	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Accessory : Air Compressor Piping

01***16	Bolt,(For Slag Handling)	1
01***20	Bolt,(Sandy? Dusty Terrain Spec.)	3
01***30	Bolt,(Cold Terrain Spec.)	2
01***20	Bolt,(Large Capacity Type) (Std)	1

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Cooling System

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cooling System : Cooling Fan And V-Belt

04***72	V-Belt, Set	1
60***20	Fan	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cooling System : Corrosion Resistor And Piping

01***35	Bolt,(Without Auto Priming System)	1
01***50	Bolt,(For Trimming Dozer)	1
01***40	Bolt,(Dust And Dirt Protection)	1
01***65	Bolt,(For Suction Fan)(4d130-1d)	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cooling System : Tension Pulley

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***20	Bolt,(Large Capacity Type) (Std)	2
01***35	Bolt - Torque Converter Totransmission Mounting	3
01***40	Bolt,(Dust And Dirt Protection)	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cooling System : Water Pump And Mounting

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***30	Bolt,(For France Noise Suppression)	5
01***35	Bolt, Mounting - Flywheel Housing End	1
01***75	Bolt,(For D57sr)	1

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Cylinder Block

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Camshaft And Camfollower

01***32	Washer,(Not Used With Emergency Str.)	12
04***38	Key	1
04***12	Ring, Snap (4)	2
61***50	Bolt,Lock	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Crankshaft

04***28	Key, Plain Woodruff	1
04***24	Pin,Dowel (For No.3 Housing)	1
61***20	Washer	6
61***00	Bearing Assembly	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Cylinder Block

01***18	Bolt	6
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Bolt,(For France Noise Suppression)	8
01***25	Washer,Spring?(Sandy And Dusty Spec.)	6

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Cylinder Block Cover

01***20	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***40	Bolt,(For Position Fixing)	2
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Bolt,(For France Noise Suppression)	20

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Flywheel And Flywheel Housing

01***20	Bolt,(Large Capacity Type) (Std)	8
01***40	Bolt,(For Center Guard)	8
01***45	Bolt, Mount Bracket	2
01***55	Bolt	6

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Front Cover And Front Support

01***16	Bolt,(For Slag Handling)	12
01***20	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***85	Bolt, Control Valve Mounting	1
01***25	Bolt,(For Slag Handling)	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Gear Case Cover And Gear

01***60	Bolt, Trunnion Cap	10
01***35	Bolt,(For Pedal Steering)	4
01***40	Bolt,(Not Used With Cab)	2
01***50	Screw	3

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Oil Pan

01***20	Bolt,(Large Capacity Type) (Std)	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***30	Bolt,(For France Noise Suppression)	47
01***35	Bolt, Mounting - Flywheel Housing End	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Block : Piston And Connecting Rod

02***13	Pin, Dowel	4
61***10	Pin. Piston	6
61***80	Piston Ring Ass'Y,Per Cylinder	6
61***20	Ring, Snap	12

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Cylinder Head

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Air Cleaner And Mounting

01***50	Bolt,(For Trimming Dozer)	1
01***20	Bolt,(Large Capacity Type) (Std)	2
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	4
01***30	Bolt,(For France Noise Suppression)	7

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Air Intake Manifold And After Cooler

01***40	Bolt,(For Position Fixing)	2
01***50	Bolt,(For Trimming Dozer)	1
01***20	Bolt,(Large Capacity Type) (Std)	2
01***95	Bolt,(For Reversible Fan)	11

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Cylinder Head(#14991-)

07***28	O-Ring,(For Transmission Screen)	2
07***08	Plug (Kit)	4
07***11	Plug,(For Shipping)	1
07***17	Plug	5

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Exhaust Manifold And Turbocharger

01***90	Bolt	24
07***08	Plug	1
61***90	Spacer	24
61***90	Nut, Mounting	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Muffler And Mounting

01***45	Bolt,(For Slag Handling)	16
01***30	Bolt, Mount Pump	2
01***35	Bolt, M10x1.5x35	2
01***65	Bolt	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Muffler Piping

01***25	Bolt,(Without Auto Priming System)	1
01***65	Bolt,(For Alternator Bracket Mount)	2
01***25	Bolt, Mount Cover	4
01***25	Washer,Spring?(Sandy And Dusty Spec.)	9

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Rocker Arm And Housing

01***55	Bolt,(For France Noise Suppression)	6
01***90	Bolt,For Reversible Fan	36
01***15	Bolt	6
01***32	Washer,(Not Used With Emergency Str.)	42

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Rocker Arm Housing Cover

01***55	Bolt,(For Suction? Reversible Fan)	23
01***95	Bolt,(For Reversible Fan)	4
01***20	Bolt, Mount Main Relief Valve	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	26

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Turbocharger (Inner Parts)

01***16	Bolt	8
04***50	Screw	2
65***50	V-Band	1
65***20	Plate, Plate	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Turbocharger Water Piping

01***55	Bolt,(For Trimming Dozer)	1
01***90	Bolt	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	6
01***85	Bolt, Mount Solenoid Valve Body	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Water Manifold And Thermostat

01***12	Bolt,(Without R.P.C.U.)	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	7
01***30	Bolt,(For France Noise Suppression)	4
01***80	Bolt, Mount Strainer Flange	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Cylinder Head : Water Piping

01***16	Bolt,(For Slag Handling)	2
01***30	Bolt,(For France Noise Suppression)	7
01***35	Bolt, Mounting - Flywheel Housing End	2
01***45	Bolt,(For Suction? Reversible Fan)	8

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Electrical System

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Electrical System : Alternator (75a) (Inner Parts)

60***10	Alternator A. (75a)	1
SD***X0	Coil Assembly	1
SD***X0	Washer	1
SD***X0	Bracket, Rear	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Electrical System : Alternator And Mounting (75a)

01***30	Bolt,(For France Noise Suppression)	4
01***40	Bolt,(Dust And Dirt Protection)	1
01***35	Bolt,(Cold Weather Spec.)	1
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	5

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Electrical System : Alternator Drive

01***30	Bolt,(For France Noise Suppression)	2
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	2
04***24	Pin, Spring	1
07***09	O-Ring,(F4350-61a0 -33 )	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Electrical System : Starting Motor And Mounting (7.5kw)

01***20	Bolt,(Large Capacity Type) (Std)	2
01***25	Bolt - Rear Guard Mounting	2
01***45	Bolt,(For Slag Handling)	6
01***36	Washer,Radio Controlled Slag Handling	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Electrical System : Starting Motor? L.H. (7.5kw) (Inner Parts)

60***21	Starting Motor A.,L.H. (7.5kw)	1
60***21	Starting Motor A.,L.H. (7.5kw)	1
KD***20	Magnetic Switch Assembly	1
KD***40	Spring,Spring	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Electrical System : Starting Motor? R.H. (7.5kw) (Inner Parts)(#11948-)

60***30	Starting Motor Ass'Y,R.H. (7.5kw)	1
KD***20	Magnetic Switch Assembly	1
KD***40	Spring,Spring	4
KD***50	Brush Assembly	4

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Fuel System

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Auto Priming System(#12650-)

01***12	Bolt,(Without R.P.C.U.)	4
01***60	Bolt,(Without Alternator Bracket)	7
01***65	Bolt,(For Alternator Bracket Mount)	1
01***65	Bolt (M10-1.50x65)	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Auto Primming System Controller

01***16	Bolt (With Air Heater & Conditioner)	1
01***08	Screw, Terminal	5
01***12	Screw,(Additional Sun Visor)	2
01***12	Screw,(With Articulate Indicator)	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Filter And Piping(#12951-)

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	1
01***30	Bolt,(For France Noise Suppression)	4
01***70	Bolt, Spacer	1
01***70	Bolt	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump (Coupling) (Inner Parts)(#17220-)

DK***00	Bolt	2
DK***00	Bolt	6
DK***00	Coupling	1
DK***90	Coupling Ass'Y	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump (Feed Pump) (Inner Parts)(#17220-)

DK***00	Valve,Check	4
DK***20	Bolt,Joint	1
DK***30	Eye,Joint	1
DK***20	Housing	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#17220-)

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

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#17220-)

DK***80	Shim? 0.5mm	0
DK***40	Gasket,Air Compressor	4
DK***00	Nut,Cap	1
DK***40	Bolt	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#17220-)

61***70	Injection Pump A	1
DK***30	Bearing,Roller	1
DK***00	Bearing,Center	2
DK***00	Plug	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#17220-)

DK***00	Nut	12
DK***00	Shim? 0.875mm	0
DK***00	Shim? 0.500mm	0
DK***00	Shim? 1.575mm	0

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump And Mounting

01***30	Bolt,(For France Noise Suppression)	4
01***35	Bolt - Torque Converter Totransmission Mounting	5
01***45	Bolt,(Cold Terrain Spec.)	2
01***75	Bolt,(For 75a Alternator)	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump Linkage

01***10	Bolt, Mount Flasher	2
01***10	Bolt	1
01***05	Nut,L.H. Thread (D31s)	1
01***06	Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump Piping (1/2)

01***30	Bolt	7
01***35	Bolt	3
01***35	Bolt,(Without Auto Priming System)	1
01***45	Bolt,(S6d155-4b)	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Injection Pump Piping (2/2)(#12950-)

01***20	Bolt,(Large Capacity Type) (Std)	1
01***30	Washer,Spring(Sandy?Dusty Terrain S.)	1
04***10	Clip,See Fig. K4010-05a0	2
07***12	Gasket,(Without Air Compressor Type) (K1)	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Fuel System : Fuel Nozzle And Spill Pipe

07***14	Tube, Spill	5
07***80	Clip	10
61***10	Bolt,Nozzle Holder	12
61***10	Pipe, Spill	1

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Lubricating Oil System

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Lubricating Oil System : Lubricating Oil Cooler

01***16	Bolt (Welded)	12
01***20	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***65	Bolt,(For Alternator Bracket Mount)	3
01***20	Bolt,(Large Capacity Type) (Std)	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Lubricating Oil System : Lubricating Oil Filter And Mounting

01***40	Bolt,(Dust And Dirt Protection)	2
01***45	Bolt,(Cold Terrain Spec.)	6
01***50	Bolt - Torque Converter Totransmission Mounting	1
01***70	Bolt, Heater Hose Clip	3

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Lubricating Oil System : Lubricating Oil Pump And Suction Pipe

01***25	Bolt,(Sandy? Dusty Terrain Spec.)	2
01***35	Bolt, Mounting - Flywheel Housing End	2
01***70	Bolt, Spacer	2
01***45	Bolt,(Cold Terrain Spec.)	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Lubricating Oil System : Mechanical Pump And Piping

01***16	Bolt (Welded)	2
01***12	Bolt	4
01***10	Washer,(Except Japan)	4
01***19	Washer,(Not Used With Ventilator)	2

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Lubricating Oil System : Oil Bypass Filter (Chassis Mount)

01***40	Bolt, Mount Master Brake Cylinder	4
01***50	Bolt,(With Service Valve R.H.)	4
01***08	Nut,(For Canvas Canopy?Head Guard)	8
01***16	Washer,Radio Controlled Slag Handling	16

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Lubricating Oil System : Turbocharger Lubricating Oil Piping(#12495-)

01***16	Bolt,(For Slag Handling)	1
01***25	Bolt,(Sandy? Dusty Terrain Spec.)	4
01***35	Bolt, Mounting - Flywheel Housing End	1
01***06	Nut, Regular Hexagon (M8-1.25)	1

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Tool And Kit

Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Tool And Kit : Gasket Kit

02***43	O-Ring,Water Manifold	3
02***75	O-Ring,(For Japan) (K1)	4
02***81	O-Ring,Air Connector	2
02***91	O-Ring (Kit)	4

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Tool And Kit : Spare Parts

04***33	V-Belt	1
04***72	V-Belt, Set	1
60***31	Cartridge, Oil Filter	2
60***11	Filter, By-Pass (Spin-On) (1)	1

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Komatsu : Sa6d170-B-1f-Sp(S/N 11763-Up) : Tool And Kit : Tool

09***35

Wrench,Filter (For Add. Fuel Filter)

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SA6D170-B-1F-SP(S/N 11763-UP) serial number reference

The PIN plate is located on the right-hand side of the cab on the lower frame, typically behind the front idler or beneath the operator's window. Read the 17-character ISO PIN starting with 'KMT' for export models, or the traditional model+serial format (e.g., PC1000-1 #11763) for domestic or pre-2003 builds; the engine model code (SA6D170-B-1F-SP) is stamped on the engine block or a plate near the valve cover.

Prefix	Identifies	Notes
SA6D170-B-1F-SP	Engine Model	Identifies the specific engine configuration (turbocharged, water-cooled aftercooler, 6-cylinder inline, 170mm bore series) fitted to the machine. The 'SP' suffix denotes a specific application variant. Serial range 11763-UP applies to this engine model within the broader machine family (e.g., PC1000-1/SE-1/SP-1 excavators).

Frequently asked questions

What is the engine model for the Komatsu SA6D170-B-1F-SP?

The engine model is the Komatsu SA6D170-B-1F-SP, a six-cylinder, turbocharged, water-cooled diesel engine from the 6D170-1 series.

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

The operating weight varies by configuration, typically ranging from 97,000 to 100,000 lb (44,000 to 45,400 kg) for the PC1000-1 series excavators.

What replaced the SA6D170-B-1F-SP engine?

The SA6D170-B-1F-SP was succeeded by the SAA6D170E-2 series engines in the PC1100-6 generation excavators, which feature updated emissions compliance and electronic controls.

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