Komatsuhydraulic shovels(no series)

Komatsu H485S-1(S/N G12016)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu H485S-1 is an ultra-class hydraulic mining shovel built on Demag heritage engineering, configured as a face shovel for hard-rock and high-production mine loading. Early production machines were introduced around 1986 as the largest hydraulic mining shovel of their era, powered by a single MTU V16 diesel rated at roughly 1,592 kW (2,135 hp); later production shifted to a twin-engine arrangement totaling roughly 2,237 kW (3,000 hp) combined. Operating weight spans a wide range across the production run, from roughly 475-550 tonnes on earlier builds to about 639-640 tonnes on later, heavier-configured units, with bucket capacities offered from about 23 to 33 cubic meters depending on configuration. The line traces to Demag's mining shovel business, later folded into Komatsu, and the H485S-1 is regarded as a forerunner to Komatsu's later, distinct PC8000-class hydraulic shovel.

Across the H485S-1 production run, the biggest change was the move from a single large diesel to a twin-engine power section as buckets and operating weights grew, giving mines more digging force and some power-train redundancy on a machine this critical to production. Structural and hydraulic system capacity scaled up in step with the weight and bucket-size increases seen across the run. In today's used and parts market, surviving H485S-1 units are rare, mostly working out their service lives at legacy hard-rock and metal mines rather than trading hands often. Value centers on major components — hydraulic pumps, swing drive, undercarriage, and structural front-end parts — since replacement machines of this class and vintage are effectively unobtainable and owners depend on rebuild and exchange programs to keep units running.

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 H485S-1(S/N G12016) specifications

Engine

Engine (early production)Single MTU V16 diesel engine, approximately 1,592 kW (2,135 hp). Exact MTU model designation not published for this serial range — verify with dealer.
Engine (later production)Later-build machines in this range moved to a twin-engine layout. Combined rated output is documented around 2,237 kW (3,000 hp) total; individual engine make/model per side not confirmed for this specific unit.
Configuration for S/N G12016Not confirmed which engine configuration (single vs twin MTU) applies to this exact serial — treat as running-change territory and verify with the OEM shop manual for this range.
Emissions tierPre-dates modern emissions-tier regulation; no EPA/EU tier rating published for this machine.

Weights

Operating weight (early/lighter build)Approximately 475 to 550 t (1,047,000 to 1,213,000 lb) as originally introduced.
Operating weight (later/heavier build)Approximately 639 to 640 t (1,409,000 to 1,411,000 lb) on later production configurations — varies by configuration/series.
Ground pressureNot documented for this serial range — verify with your dealer.

Dimensions

Transport length/width/heightNot documented for this exact serial range — verify with your dealer or the OEM shop manual.
Track gauge / undercarriage widthNot documented for this exact serial range — verify with your dealer.
Ground clearanceNot documented for this exact serial range — verify with your dealer.

Performance

Bucket capacityRanged from approximately 23 m³ (30 cu yd) on early production units up to 33 m³ (43 cu yd) on later units. One documented 1989-built unit carried a 26 m³ front-shovel bucket; a separately documented mid-1990s unit carried a 31.5 cu yd bucket. Bucket size varies by configuration/series.
Breakout forceApproximately 214,000 kg (472,500 lb) documented on a heavier-configuration unit; not confirmed as applicable to every build in this range.
Loading rateApproximately 1,500 m³/hour of hard rock, clay, and sandstone documented for one in-service unit.
Travel speedNot documented for this exact serial range — verify with your dealer.
GradeabilityNot published for this model.

Service capacities (summary)

Fuel tankNot documented for this exact serial range — verify with your dealer.
Hydraulic systemNot documented for this exact serial range — verify with your dealer.
Engine oilNot documented for this exact serial range — verify with your dealer.
Cooling systemNot 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.

H485S-1(S/N G12016) fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)Not documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Cooling systemNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Fuel tankNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Swing/travel drive compartmentsNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Final drives (each)Not documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Hydraulic system and tankNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Grease pointsSpec only, no volume figure published for this machineNot documented for this exact serial range — verify with your dealer

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Komatsu H485S-1(S/N G12016) maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil, coolant, and hydraulic oil levels before each shift and top up as needed
  • Drain fuel/water separator(s) and inspect fuel lines for weeping or chafing
  • Grease all boom, stick, and bucket linkage pins and bushings on the front attachment
  • Inspect hydraulic cylinders, hoses, and swing motor lines for leaks or chafe points
  • Walk the undercarriage and check track tension, pad wear, and idler/roller condition
  • Check the air cleaner restriction indicator and clean or replace elements as needed
Every 250 h
  • Change engine oil and filter on the installed power section
  • Replace primary and secondary fuel filters and drain water separator sediment
  • Pull a hydraulic oil sample for lab analysis before deciding on filter changes
  • Re-grease and inspect all boom, stick, and bucket pins under load
  • Check track shoe bolt torque and re-tension track as required
  • Inspect battery terminals, charging circuit, and starting system on the power section
Every 500 h
  • Change hydraulic return and pilot filters
  • Check final drive (travel reduction) gear oil level and condition
  • Inspect swing gear and pinion mesh, backlash, and lubrication
  • Clean radiator, oil cooler, and charge-air cooler cores of accumulated dust and debris
  • Inspect turbocharger boost lines, clamps, and wastegate linkage where fitted
  • Check swing bearing bolt torque and grease the bearing race
Every 1,000 h
  • Change hydraulic system oil and inspect suction strainers
  • Change final drive and swing drive gear oil
  • Inspect main hydraulic pump drive coupling and mounting hardware
  • Check engine valve lash and injector condition on the power section
  • Inspect structural welds at boom foot, stick, and bucket linkage for cracking
  • Sample and evaluate coolant condition, adjusting inhibitor levels as needed
Every 2,000 h
  • Perform full engine valve adjustment and compression check on the power section
  • Replace hydraulic hoses that have reached their service-life threshold
  • Inspect and reseal main hydraulic pump housings as indicated by oil analysis
  • Re-torque swing bearing and revolving frame mounting bolts to spec
  • Gauge undercarriage sprocket, roller, and idler wear against factory limits
  • Flush and replace engine coolant with the specified long-life coolant
Every 6,000 h
  • Plan major structural NDT inspection of the boom, stick, bucket, and revolving frame welds
  • Rebuild or exchange main hydraulic pumps and major valve assemblies
  • Overhaul or exchange the swing drive gear set and motors
  • Rebuild or replace undercarriage components as a set: track chain, sprockets, rollers, idlers
  • Replace boom foot, stick, and bucket linkage pins and bushings across the front end
  • Schedule engine top-end overhaul or exchange for the installed power section

Servicing the H485S-1(S/N G12016) beyond the schedule

Predictive maintenance & fluid analysis

This machine's power section, whether the early single MTU V16 or the later twin-engine arrangement built into this serial range, calls for scheduled oil sampling rather than guesswork. Pull hydraulic oil, engine oil, and final drive gear oil samples at each service interval and track wear-metal trends, since replacement pumps and engines are scarce and costly to source for a shovel this size. Watch coolant condition closely on the turbocharged diesel section to catch cavitation erosion before it reaches the block.

Corrective & common repairs

Expect wear concentrated at the boom foot, stick, and bucket linkage pins carrying the shovel's dig forces, plus the swing bearing and gear under constant face-loading cycles. Track pad, sprocket, and roller wear runs hard on an undercarriage this heavy, so inspect and re-torque track hardware on schedule. Hydraulic hose chafing near the swing frame and cylinder rod-seal leaks are the most common field repairs reported on shovels of this class and vintage.

Overhaul & rebuild points

Given the H485S-1's age and rarity, major work centers on the main hydraulic pumps, swing drive, and engine top end rather than routine parts swaps. Plan structural inspection of the boom, stick, and revolving frame welds at major overhaul intervals, since fatigue cracking is the primary risk on a shovel this size after decades of service. Source rebuilt or exchange components where possible, as new-production parts for this exact serial range are limited.

Seasonal & environment servicing

Mine-site duty exposes this shovel to heavy dust loading on the air intake and cooling cores, so clean radiator and oil cooler fins and check air cleaner restriction more often in dry, dusty pits. In cold climates, pre-heat engine oil and coolant before startup given the size of the power section, and confirm hydraulic oil viscosity grade matches ambient swing. Wet-season sites demand extra attention to track and pin-bushing lubrication to keep mud from accelerating undercarriage wear.

H485S-1(S/N G12016) common service parts

Part numberPart
358 601 40Return Oil Filter, AssemblyCheck fitment →
449 968 40Service ElementCheck fitment →
440 479 40Aeration Filter, AssemblyCheck fitment →
592 448 40Hydraulic. Filter, AssemblyCheck fitment →
592 450 40Hydraulic. Filter, AssemblyCheck fitment →

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H485S-1(S/N G12016) attachments & work tools

Front attachment / bucket configuration

Delivered as a face-shovel front with a dedicated dipper (stick) and bolt/pin-mounted bucket sized to this class of hydraulic mining shovel. Backhoe front and frontless (bare boom, no bucket fitted) factory configurations are common across this size class of hydraulic mining shovel, though a documented backhoe option specific to this exact serial range was not found — verify with your dealer.

Bucket mounting / coupler system

No quick-coupler is used at this size class. The bucket pins directly to the dipper/stick, matched to the machine at the factory; changing bucket types is a pinned mechanical swap, not a hydraulic quick-hitch operation.

GET (ground engaging tools) / wear parts

Heavy-duty bolt-on or pin-retained bucket teeth, adapters, and lip shrouds protect the cutting edge and sidewalls, typical for a shovel of this weight class working abrasive rock and ore. Heel and wing shrouds are also standard wear protection on the bucket body.

Work-equipment cylinders and hydraulic arrangement

Boom, arm (dipper), and bucket functions are driven by dedicated hydraulic cylinders sized for the shovel's digging forces; these are factory-matched to the front attachment and are not field-interchangeable with smaller-class components. Any optional front change (e.g., face shovel to backhoe) requires a matched factory kit rather than an aftermarket retrofit, given the scale of the machine.

Undercarriage and track options

Track shoe/pad width options are typically offered on shovels in this class to manage ground bearing pressure for different underfoot conditions; specific pad-width offerings for this serial range are not confirmed in available documentation.

Counterweight and guarding configuration

Counterweight and structural guarding are set as part of the machine's factory configuration for this size class rather than offered as user-selectable aftermarket options; changes are handled through Komatsu engineering rather than a standard options list.

All H485S-1(S/N G12016) assemblies by section

Every catalogued assembly group for the Komatsu H485S-1(S/N G12016). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

* = Variations From Page:
Komatsu : H485s-1(S/N G12016) : * = Variations From Page :
Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Accumulator
00***98Test Socket2
21***99Pipe, Assembly. ? 20 Bulk Ware, State Length Required2
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Chain Hoist
00***98Spring1
11***99Cable Clamp5
30***99Cable Clamp6
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Diaphragm-Type Accumulator
00***98Test Socket2
21***99Pipe, Assembly. ? 20 Bulk Ware, State Length Required2
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Electric Heating
25***40Breather Up To 06 1222
27***40Electr. Space Heater 3000 W /220 V2
30***99Screw16
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Gear Motor
30***99Bolt 25 mm Lg4
30***99Lock Washer4
30***99Bolt20
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Junction Box
30***99Bolt2
30***99Bolt3
30***99Bolt2
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Modification Kit - Load Control
05***40Ground Wire - Series Terminal18
08***40Double-Bit Key ? 3.20
26***40Pulsing Relay (Movement Signal)1
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Sealing Flange
00***98Grease Nipple3
25***40Piston Guide Ring5
25***40O-Ring1
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Shock Absorber
30***99Bolt2
30***99Screw2
30***99Bolt 25 mm Lg2
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Sprocket
30***99Bolt 25 mm Lg4
30***99Lock Washer4
30***99Bolt20
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Travelling Gear
25***40Hv-Washer24
30***99Screw8
30***99Bolt4
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Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Wear And Tear Parts - Back
Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Wear And Tear Parts - Bowl
Komatsu : H485s-1(S/N G12016) : * = Variations From Page : : Panel
Annex
Komatsu : H485s-1(S/N G12016) : Annex : Basic Schematic
Komatsu : H485s-1(S/N G12016) : Annex : Colour : Chrome Yellow
Komatsu : H485s-1(S/N G12016) : Annex : Electric Schematic
Komatsu : H485s-1(S/N G12016) : Annex : Electric Schematics :
Komatsu : H485s-1(S/N G12016) : Annex : Hydraulic Schematics :
Komatsu : H485s-1(S/N G12016) : Annex : Tools And Accessories
Bullclam Bucket Attachment
Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : --Hydraulic Cylinder
00***98Grease Nipple3
00***98O-Ring1
22***40Support Ring1
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : -Clam Cylinder, R.H./L.H.
26***40Connecting Block2
30***99Cover Plate4
30***99Bolt ? 16 mm4
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : -Hydraulic Cylinder
00***98Grease Nipple4
25***40O-Ring1
31***99Screw12
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Boom 7,6 M
00***98O-Ring20
30***99Bolt4
30***99Bolt Pin Lock From S/No: 06 12016
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Boom Cylinder, L.H.
30***99Cover Plate6
31***99Screw4
31***99Screw (Standard)8
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Boom Cylinder, R.H.
30***99Cover Plate6
31***99Screw4
31***99Screw (Standard)8
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Bullclam Bucket 33,0 M? - (1,8) Esco
00***98Grease Nipple2
00***98Union2
14***40Half Flange16
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Bullclam Bucket Cylinder, R.H./Center/L.H.
00***98O-Ring1
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
30***99Screw4
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : General View
Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Pin Sealing, Bucket - Bucket Cylinder
24***40Seal Ring6
50***98Hex Head Bolt 6kt12
62***40Seal Fixing Assembly. Consist Of Fig.No 08,09,106
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Pin Sealing, Stick - Bucket
31***99Bolt (Standard)8
62***40Seal Fixing Consist. Of Fig-Nos: 03-054
62***40Freeze-In Bush4
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Stick 5,7 M
00***98O-Ring18
30***99Bolt Pin Lock From S/No: 06 12012
30***99Bolt28
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Stick Cylinder, L.H.
30***99Bolt2
31***99Screw4
31***99Screw4
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Stick Cylinder, R.H.
30***99Bolt2
31***99Screw4
31***99Screw4
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Komatsu : H485s-1(S/N G12016) : Bullclam Bucket Attachment : Wear And Tear Parts 33,0 M?
29***40Snap Ring8
51***40Pin4
60***40Base21
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Drive
Komatsu : H485s-1(S/N G12016) : Drive
Komatsu : H485s-1(S/N G12016) : Drive : -Aspiration Arrangement
30***99Screw22
30***99Bolt 20 mm Lg6
30***99Bolt12
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Komatsu : H485s-1(S/N G12016) : Drive : -Coupling
30***99Bolt 20mm Lenght4
30***99Bolt10
31***99Socket Head Cap Screw2
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Komatsu : H485s-1(S/N G12016) : Drive : -Electric Motor
36***99Roller Bearing1
50***98Ball Bearing2
57***40Electric Motor Assembly1
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Komatsu : H485s-1(S/N G12016) : Drive : -Fan Pump (Oil Cooler)
00***98O-Ring1
17***40Screw Plug3
31***99Screw7
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Komatsu : H485s-1(S/N G12016) : Drive : -Gear Oil Pump (Pdg)
35***40Hydraulic.-Pump, Assembly1
69***13Repair Kit Consist. Of Seal Kit And Fig-Nos: 05,08 And 140
75***52Cover1
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Komatsu : H485s-1(S/N G12016) : Drive : -Lube Oil Pump (Hp)
35***40Hydraulic.-Pump, Assembly1
69***10Seal Kit Fig-Nos: 02,04,06,07 And 210
75***20Circlip1
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Komatsu : H485s-1(S/N G12016) : Drive : -Main Pump (Hp)
00***98O-Ring2
17***40Screw Plug2
17***40Union3
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Komatsu : H485s-1(S/N G12016) : Drive : -Mesuring And Pilot Pump
31***99Screw2
31***99Screw4
34***99Circlip1
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Komatsu : H485s-1(S/N G12016) : Drive : -Pump Distributor Gear
00***98Shaft Seal1
00***98O-Ring5
00***98Union4
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Komatsu : H485s-1(S/N G12016) : Drive : Aeration Equipment
00***98Hose Clip2
30***99Bolt 20 mm Lg8
33***99Nut M88
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Komatsu : H485s-1(S/N G12016) : Drive : Engine : Siemens
Komatsu : H485s-1(S/N G12016) : Drive : Inst. Pump Distributor Gear
05***40Cable Protection Hose Pg 7 Bulk Ware, State Length Required0
08***40Quick Disconnect Coupling1
08***40Protection Cap1
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Komatsu : H485s-1(S/N G12016) : Drive : Lube Lines - Pdg
00***98Union8
18***40Hose Fittings2
25***40Hose Fittings11
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Komatsu : H485s-1(S/N G12016) : Drive : Mounting Electric Motor
25***40Hv-Washer8
30***99Bolt36
30***99Bolt (Standard)2
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Komatsu : H485s-1(S/N G12016) : Drive : Output :
Komatsu : H485s-1(S/N G12016) : Drive : Power Frame Mounting
25***40Hv-Washer16
31***99Washer36
33***99Nut (Standard Equipment)16
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Komatsu : H485s-1(S/N G12016) : Drive : Pumps Mounting (Standard)
30***99Bolt4
30***99Screw4
30***99Srew4
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Komatsu : H485s-1(S/N G12016) : Drive : Serial-No. :
Komatsu : H485s-1(S/N G12016) : Drive : Series :
Komatsu : H485s-1(S/N G12016) : Drive : Type : 1 Rq 7 567-4
Electric
Komatsu : H485s-1(S/N G12016) : Electric : -Head Light
00***98Bolt2
34***99Lock Washer2
35***40Headlamp, Without Lamp1
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Komatsu : H485s-1(S/N G12016) : Electric : -Junction Box
05***40Ground Wire - Series Terminal6
25***40Housing, Empty1
32***99Screw2
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Komatsu : H485s-1(S/N G12016) : Electric : -Main Switch Box
05***40Ground Wire - Series Terminal18
08***40Double-Bit Key ? 3.20
26***40Pulsing Relay (Movement Signal)1
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Komatsu : H485s-1(S/N G12016) : Electric : -Slip Ring
05***40Ground Wire - Series Terminal3
16***40Double-Bit Key ? 5.21
30***99Bolt2
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Komatsu : H485s-1(S/N G12016) : Electric : -Switch Cabinet
32***40Sensor1
69***73Overvoltage Limiter3
69***73Vacuum Contactor1
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Komatsu : H485s-1(S/N G12016) : Electric : -Switch Cabinet (Mv-Part)
30***99Bolt4
30***99Screw20
30***99Bolt 25 mm Lg3
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Komatsu : H485s-1(S/N G12016) : Electric : -Switch Cabinet (Ns-Part)
27***40Cable Union Pg 214
27***40Cable Union Pg 294
30***99Bolt 20 mm Lg10
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Komatsu : H485s-1(S/N G12016) : Electric : Batteries
08***40Rubber Plate 20x430x4908
27***40Cable Protection Hose Pg 21 Bulk Ware, State Length Required0
30***40Battery, 12 V 200 Ah4
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Komatsu : H485s-1(S/N G12016) : Electric : Cab Support
05***40Ground Wire - Series Terminal2
25***40Housing, Empty1
27***40Cable Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Electric : Control Blocks
00***98Clamp 15/1520
25***40Housing, Empty3
32***99Screw4
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Komatsu : H485s-1(S/N G12016) : Electric : Control Plate
00***98Clamp 12/1515
00***98Half Clamp2
25***40Rubber Grommet1
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Komatsu : H485s-1(S/N G12016) : Electric : Electr. Motor - Cables
30***99Bolt8
34***99Locking Plate8
44***40Cable Assembly1
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Komatsu : H485s-1(S/N G12016) : Electric : General View
25***40Housing, Empty2
25***40Limit Switch2
30***99Bolt (Standard)4
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Komatsu : H485s-1(S/N G12016) : Electric : Lighting Equipment
00***98Clamp 15/15100
05***40Ground Wire - Series Terminal10
15***40Halogen Lamp4
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Komatsu : H485s-1(S/N G12016) : Electric : Mounts - Switch Cabinet
25***40Hv-Washer8
50***98Bolt Cold Weather Design 230 Lg4
50***98Bolt4
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Komatsu : H485s-1(S/N G12016) : Electric : Mounts, Switch Cabinet
30***99Bolt7
30***99Screw4
34***99Lock Washer11
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Komatsu : H485s-1(S/N G12016) : Electric : Oil Tank
25***40Housing, Empty1
32***99Cross Connection4
32***40Cable Awg 12 Sw Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Electric : Slip Ring Mounting
30***99Bolt4
30***99Bolt8
31***99Bolt (Standard)6
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Komatsu : H485s-1(S/N G12016) : Electric : Starting Transformer - Cables
30***99Screw8
32***40Thread Pin5
50***98Thread Pin6
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Komatsu : H485s-1(S/N G12016) : Electric : Starting Transformer Arr.
30***99Screw4
30***99Bolt20
30***99Bolt12
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Komatsu : H485s-1(S/N G12016) : Electric : Warning System
00***98Clamp 15/1510
05***40Cable Shoe3
05***40Cable Protection Hose Pg 7 Bulk Ware, State Length Required0
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Fire Extinguishing Equipment
Komatsu : H485s-1(S/N G12016) : Fire Extinguishing Equipment : Fire Extinguishing Equipment
21***99Pipe 1/20
25***40Hose Nw 5 Bulk Ware, State Length Required0
25***40Hose Fittings8
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General View
Komatsu : H485s-1(S/N G12016) : General View : General View
Komatsu : H485s-1(S/N G12016) : General View : General View Superstructure
Komatsu : H485s-1(S/N G12016) : General View : General View Undercarriage
Komatsu : H485s-1(S/N G12016) : General View : Machine-Maintenance Parts
25***40Air Cleaner In Switch Cabinet4
26***40Air Cleaner, Cabin Supercharger1
32***40Bleeder Valve, Travelling Gear10
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Hydraulic
Komatsu : H485s-1(S/N G12016) : Hydraulic : --Pressure Connecting Stage
10***65O-Ring1
49***40Pressure Sequence Stage Assembly1
50***98O-Ring1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : --Pressure Relief Valve
10***65O-Ring1
32***40Pressure Relief Valve, Assembly. Without Pressure Adjustment1
50***98O-Ring1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : --Primary-Prv
10***65O-Ring1
46***40Valve, Assembly. (W/O Pressure Adjustment)1
50***98O-Ring1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -2fold H.P. Filter
31***99Plug2
31***99Screw8
33***99Seal Ring2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Accumulator
23***40Pressure Accumulator, Assembly (Std.)1
26***40Pressure Accumulator (Tt), Assembly1
33***99Seal Ring1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Aeration Filter
33***99Nut1
44***40Aeration Filter, Assembly1
69***89Socket Housing1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Anticavitation Valve
35***40Anticavitation Valve, Assembly1
50***98O-Ring1
75***73Seal Ring To Fig-No. 062
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Brake Valve
00***98O-Ring2
25***40Valve Disk4
25***40Compression Spring4
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Control Block Dn 52 Center
00***98O-Ring8
00***98O-Ring8
25***40Screw Plug16
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Control Block Dn 52 L.H.
00***98O-Ring8
00***98O-Ring8
25***40Screw Plug16
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Control Block Dn 52 R.H.
00***98O-Ring8
00***98O-Ring8
25***40Screw Plug16
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Control Plate
10***65O-Ring2
35***40Control Plate Assembly1
50***98O-Ring1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Fan Motor
31***99Screw2
31***99Screw4
34***99Circlip1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Hydr. Filter
18***40Plug, Assembly1
59***40Hydraulic. Filter, Assembly1
60***40Plug1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Non-Return Valve
00***98O-Ring1
18***40Plug, Assembly1
25***40O-Ring2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -One-Way Restrictor
00***98Seal Ring1
20***40O-Ring1
31***99Bolt4
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Pressure Relief Valve
31***99Plug1
31***99Eyebolt2
31***99Screw6
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Pump Unit
31***99Screw8
34***99Circlip2
34***99Circlip2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Return Oil Filter
10***65O-Ring1
33***99Nut2
33***99Nut1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Secondary-Prv
35***40Valve, Assembly., Adjusted 350 Bar1
35***40Valve, Assembly., Adjusted 150 Bar1
62***40Valve, Assembly., Adjusted 320 Bar1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Throttle Check Valve
20***40O-Ring1
31***99Bolt4
31***99Screw2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : -Valve Block
15***40Test - Screw Coupling1
25***40Screw Plug2
31***99Eyebolt2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Arrangement Control Blocks
16***40Release Valve12
25***40Screw Plug12
30***99Bolt To Fig-Nos. 02, 03, 06-083
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Brake Valve Arr.
00***98Union2
18***40Hose Fittings2
21***40Hose Fittings2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Control - Brake Valve
14***40Shuttle Valve2
18***40Connection Plate2
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Control And Leakage Lines, Control Blocks
21***99Pipe ? 12 Ca 300mm Bulk Ware, State Length Required0
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Hose Fittings24
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Control Blocks - Rotary Joint
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Screwed Fittings1
25***40Hose Fittings2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Control Blocks - Throttle Check Valves
00***98Seal Ring3
15***40Test - Screw Coupling8
31***99Screw12
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Control Blocks- Manifold
30***99Bolt16
31***99Screw12
31***99Screw (Standard)64
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Control- And Filter Plate
18***40Connection Plate6
25***40Clamp2
25***40Solenoid Valve, Parking Brake (Y5) Zur Feststellbremse, Drehgetriebe2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Distribution Block - Boom
21***99Pipe ? 20 Bulk Ware, State Length Required4
30***99Bolt4
30***99Bolt24
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Fan Drive Mounting
30***99Bolt8
30***99Bolt12
30***99Bolt4
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Komatsu : H485s-1(S/N G12016) : Hydraulic : H.P. Filter Arrangement
00***98Clamp 10/1520
05***40Cable Protection Hose Pg 7 Bulk Ware, State Length Required0
15***40Test - Screw Coupling6
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Hydr. Line, Fan Motor
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Screwed Fittings1
26***40Hose Fittings1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Hydr. Line, Fan Pump
Komatsu : H485s-1(S/N G12016) : Hydraulic : Leakage Lines, Slew Gear Motors, Control Lines, Slew Gear Brakes
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Screwed Fittings3
25***40Screwed Fittings2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Load-Sensing
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
21***99Precision Tubing 18x1,5, Lg 0,13 M Bulk Ware, State Length Required0
26***40Hose Assembly. Nw 16x2500 Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Main And Suction Oil Tank
30***99Screw8
30***99Bolt16
34***99Lock Washer26
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Main Oil Tank
21***99Pipe ? 35 Bulk Ware, State Length Required0
25***40Hose Fittings2
25***40Hose Fittings1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Main Oil Tank, Mounting (7400 L)
25***40Hv-Washer12
25***40Maintenance Switch1
26***40Cover Tube For Sensor3
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Main Oil Tank, Pipes
00***98Seal Ring2
00***98Union1
15***40Test - Screw Coupling1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Main Oil Tank, Slider
00***98O-Ring7
00***98Union2
05***40Cable Protection Hose Pg 7 Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Main Pump Control
00***98Test Union2
00***98Socket3
15***40Test - Screw Coupling2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Manifold - Pipes, Assy.
30***99Cover Plate24
31***99Washer4
31***99Screw8
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Manifold Arrangement
25***40Hv-Washer4
30***99Bolt8
31***99Screw12
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Non-Return Valves On Main Pumps
31***99Bolt24
38***40Quad Seal Ring12
48***40Intermediate Plate6
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Oil Cooler - Hoses, Assy.
00***98O-Ring20
00***98Seal Ring4
14***40Half Flange16
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Oil Cooler Arrangement
30***99Bolt16
30***99Bolt24
30***99Bolt28
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Oil Cooler System, Mounting
25***40Hv-Washer8
48***40Oil Cooler System1
50***98Bolt Cold Weather Design 230 Lg4
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pipes Control Plate
00***98Test Union1
00***98Test Union1
00***98Union2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pipes, Throttle Check Valves
00***98Socket6
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pressure And Leakage Line At Measuring And Pilot Oil Pump
00***98O-Ring1
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Flange Connection1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pressure Lines
15***40Test - Screw Coupling1
30***99Cover Plate4
30***99Bolt4
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pressure Lines, H.P. Filter - Control Blocks
30***99Bolt4
31***99Screw24
35***40Hose Assembly. Dn 50x2400 Lg3
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pressure Lines, Main Pumps - H.P. Filter
30***99Bolt0
30***99Bolt40
31***99Screw24
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Pump Lube Lines
00***98O-Ring1
17***40Half Flange2
21***99Pipe ? 15 Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Return Lines
00***98Seal Ring18
14***40Half Flange24
30***99Cover Plate0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Return Lines - Control Plate
15***40Test - Screw Coupling1
17***40Union1
25***40Hose Fittings2
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Return Lines, Secondary Pressure Relief Valves
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Screwed Fittings1
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Secondary Pressure Relief Valve
00***98Test Socket2
15***40Test - Screw Coupling2
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Suction Lines (Standard)
00***98Clamp2
00***98Hose Clip12
22***40Gasket6
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Komatsu : H485s-1(S/N G12016) : Hydraulic : Suction Tank Mounting (316 L)
30***99Bolt16
30***99Bolt17
33***99Bolt41
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Lifting Devices
Komatsu : H485s-1(S/N G12016) : Lifting Devices : -Chain Hoist
Komatsu : H485s-1(S/N G12016) : Lifting Devices : Electric - Service Crane
05***40Ground Wire - Series Terminal2
25***40Housing, Empty1
32***99Screw2
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Komatsu : H485s-1(S/N G12016) : Lifting Devices : Service Crane Arr.
00***98Spring1
11***99Cable Clamp5
30***99Cable Clamp6
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Operator'S Cab
Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Air Conditioning Unit
31***99Screw3
34***99Lock Washer3
46***40Air Conditioning Unit Assembly1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Compressor
25***40Compressor, Assembly1
69***73Upstroke Valve1
69***73Valve1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Condensor
18***40Relay1
25***40Condensor Assembly1
69***73Pressure Switch1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Electr. Motor
31***40Electric Motor 50 Hz /380 V1
44***40Electric Motor 60 Hz /575 V1
46***40Electric Motor 60 Hz /380 V1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Operator'S Cab
00***98Es-Pin2
00***98Es-Pin1
05***40Grommet2
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Operator'S Cab Platform
05***40Grommet1
08***40Band Roller With Intermediate Ring4
26***40Air Cleaner, Cabin Supercharger3
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Operator'S Seat
30***99Bolt 20 mm Lg2
30***99Bolt2
30***99Bolt1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Operators Panel
05***40Tab To Fig-No: 43 1,5 - 2,50
05***40Grommet8
05***40Grommet1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : -Sliding Window
32***40Sliding Window Assembly, L.H1
35***40Sliding Window Assembly, R.H1
51***98Screw16
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Air Conditioning Equipment, Cabin
23***40Hose Fittings1
23***40Hose Fittings1
23***40Hose Fittings1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Air Conditioning Equipment, Switch Cabinet
23***40Hose Fittings3
23***40Hose Nw 12 Bulk Ware, State Length Required0
23***40Hose Nw 10x Ca. 6000 mm Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Blower (Cabin Supercharger)
30***99Bolt3
32***40Rubber Cord 500 Lg. Bulk Ware, State Length Required0
32***40H.P. Blower1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Cabin : Papyrus White
Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Drive, Air Condition Compressor
00***98Bolt8
05***40Ground Wire - Series Terminal5
11***40Washer2
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Electric Heating
25***40Breather Up To 06 1222
27***40Electr. Space Heater 3000 W /220 V2
30***99Screw16
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Operator'S Cab Arrangement
08***40Mirror2
11***40Mirror Bracket, R.H1
16***40Profiled Joint Ca. 6000 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Operator'S Cab Support,Mount.
25***40Hv-Washer8
30***99Bolt Standard 230 Lg. Normaltemperatur4
30***99Bolt4
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Operator'S Cab, Glazing
08***40Clamping Section 2800 Lg. (To Fig-Nos. 02,04) Bulk Ware, State Length Required2
08***40Filler Section 3000 Lg. Bulk Ware, State Length Required2
30***40Rear Window 803x4582
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Operator'S Stand
30***99Bolt 20 mm Lg4
30***99Bolt2
30***99Lock Washer6
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Protection Roof (With Air Conditioning Equipment, Roof)
30***99Bolt8
38***40Bushing8
40***40Flap1
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Ventilation System, Switch Cabinet
25***40Air Cleaner In Switch Cabinet4
30***99Bolt1
33***99Bolt6
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Komatsu : H485s-1(S/N G12016) : Operator'S Cab : Wipe- And Wash-Equipment
05***40Grommet2
05***40Wiper Motor 120?1
19***40Diaphragm Pump1
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Refueling- And Grease Equipment
Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : --Lube Pump
00***98O-Ring To Fig-Nos. 61,622
69***14Pin1
69***16Bush With Thread1
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : -Lube Pump Station.
21***99Pipe ? 10 Bulk Ware, State Length Required0
37***99Union1
55***40Lube Pump Station Consist. Of Fig-Nos: 02-451
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : -Metering Valve
26***40Metering Valve, Assembly1
26***40Metering Valve, Assembly1
27***40Metering Valve, Assembly1
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Bucket (1 - Line)
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
26***40Hose Ca. 3100 Lg. Bulk Ware, State Length Required0
26***40Hose Fittings2
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Drip - Pinion Lube Station Arr.
00***98Pin3
20***40Coupler Plug Nw 12.51
20***40Coupling Sleeve Nw 12.51
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Electr. Parts
04***40Dust Cap1
04***40Plug1
14***40Socket1
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Electric Parts
04***40Dust Cap8
04***40Plug8
05***40Ground Wire - Series Terminal6
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Greases
27***40Grease T3 Hs -40/-10? C / 50 Kg1
32***40Grease T2 Hs -20/+10? C /50 Kg1
50***98Adhesive Lubrication Spray1
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Lube Lines
21***99Union ? 12 Bulk Ware, State Length Required0
21***99Pipe ? 25x160 Lg. Bulk Ware, State Length Required0
30***99Screw30
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Lube Lines, Hand Operated
00***98Grease Nipple6
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
25***40Hose Dn 8 X Ca. 2000 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Lube Pumpe Station Arr.
00***98Pin3
20***40Coupler Plug Nw 12.51
20***40Coupling Sleeve Nw 12.51
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Pinion Lube Lines
21***99Pipe ? 12 Ca 300mm Bulk Ware, State Length Required0
26***40Nipple2
30***99Bolt8
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Refueling System
00***98Clamp 15/1520
25***40Housing, Empty1
25***40Hose Nw 20x Ca. 1500 mm Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Stick (1 - Line)
00***99Clamp8
21***99Pipe ? 12 Ca 300mm Bulk Ware, State Length Required0
21***99Pipe ? 10x270 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Refueling- And Grease Equipment : Boom (1 - Line)
00***98Clamp 15/1516
21***99Pipe ? 12 Ca 300mm Bulk Ware, State Length Required0
21***99Pipe ? 16x50 Lg. Bulk Ware, State Length Required6
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Slew Gear
Komatsu : H485s-1(S/N G12016) : Slew Gear : --Disc Brake
08***01Shaft Seal2
31***99Plug8
33***99Seal Ring8
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Komatsu : H485s-1(S/N G12016) : Slew Gear : -Slew Gear
00***98Union1
00***98Union1
21***99Precision Tubing 10x1.5 Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Slew Gear : -Slew Gear Motor
32***99Screw8
32***99Screw14
34***99Circlip1
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Komatsu : H485s-1(S/N G12016) : Slew Gear : -Slew Ring
22***40Lip Type Seal Ng 25 X 9.200 mm Bulk Ware, State Length Required1
22***40Lip Type Seal Ng 40x11000 Lg. Bulk Ware, State Length Required1
31***99Screw22
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Komatsu : H485s-1(S/N G12016) : Slew Gear : Mount. Slew Gear/Motor
08***40Quick Disconnect Coupling2
08***40Protection Cap2
21***99Pipe ? 22x70 Lg. Bulk Ware, State Length Required2
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Komatsu : H485s-1(S/N G12016) : Slew Gear : Slew Ring Mounting
25***40Hv-Washer308
27***40Jaw1
32***40Compound (2 Lbs) (1,3 Kg.)6
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Superstructure
Komatsu : H485s-1(S/N G12016) : Superstructure : -Steps
18***40Limit Switch1
30***99Cable Clamp18
30***99Bolt8
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Komatsu : H485s-1(S/N G12016) : Superstructure : Boom Pin / Counterweight
25***40Bolt4
30***99Bolt96
31***99Washer96
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Komatsu : H485s-1(S/N G12016) : Superstructure : Covering, Counterweight - Covering, Machinery House
30***99Bolt (Standard)12
30***99Bolt50
30***99Bolt 35 Lg15
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Komatsu : H485s-1(S/N G12016) : Superstructure : Gratings
27***40Platform1
27***40Grating4
27***40Grating 480x7504
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Komatsu : H485s-1(S/N G12016) : Superstructure : Machinery House
16***40Profiled Joint Ca. 6000 Lg. Bulk Ware, State Length Required0
30***99Screw40
30***99Bolt1
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Komatsu : H485s-1(S/N G12016) : Superstructure : Protective Grating (Hd-Filter)
30***99Screw8
40***40Pin6
40***40Thread Plate4
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Komatsu : H485s-1(S/N G12016) : Superstructure : Steps And Rails
27***40Grating3
30***99Bolt8
30***99Bolt (Standard)36
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Undercarriage
Komatsu : H485s-1(S/N G12016) : Undercarriage : --Bevel Gear Assy.
00***98Shaft Seal1
30***99Bolt4
30***99Screw To Valve Y11d+Y1204
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Komatsu : H485s-1(S/N G12016) : Undercarriage : --Disc Brake
08***21O-Ring1
30***99Bolt4
31***99Screw Plug3
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Komatsu : H485s-1(S/N G12016) : Undercarriage : --Pressure Relief Valve
10***65O-Ring1
32***40Pressure Relief Valve, Assembly. Without Pressure Adjustment1
50***98O-Ring1
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Komatsu : H485s-1(S/N G12016) : Undercarriage : --Tension Arrangement
30***99Bolt4
30***99Screw To Valve Y11d+Y1204
33***99Bolt2
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Bottom Roller
Komatsu : H485s-1(S/N G12016) : Undercarriage : -Cable Drum
30***99Screw To Valve Y11d+Y1206
30***99Bolt 25 mm Lg12
30***99Bolt6
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Cable Drum - Drive Arr.
30***99Bolt 25 mm Lg4
30***99Lock Washer4
30***99Bolt20
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Drive Motor
32***99Screw8
32***99Screw14
34***99Circlip1
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Drive Sprocket
25***40Hv-Washer16
30***99Bolt (Standard Equipment)16
31***40Drive Sprocket Hub No Field Repair Item1
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Idler Assy.
25***40Lifetime Seal2
30***99Screw8
31***40Stop Washer2
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Junction Box
30***99Screw20
30***99Screw9
30***99Bolt14
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Reel Arrangement
30***99Bolt2
30***99Screw2
30***99Bolt 25 mm Lg2
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Reel, Drive Arrangement
30***99Bolt24
30***99Bolt4
30***99Bolt2
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Rotary Joint
00***98Grease Nipple2
30***99Bolt8
30***99Bolt 25 mm Lg8
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Switch Box
05***40Ground Wire - Series Terminal2
25***40Housing, Empty1
27***40Cable Union Pg 211
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Tensioner
25***40Test-Screw Coupling1
25***40O-Ring2
46***40Rod Guide Ring7
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Travelling Brake Valve
00***98O-Ring2
00***98O-Ring2
00***98O-Ring2
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Travelling Gear
00***98O-Ring1
30***99Bolt12
30***99Bolt12
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Komatsu : H485s-1(S/N G12016) : Undercarriage : -Valve Block
00***98Union1
15***40Union2
21***99Pipe ? 20x75 Bulk Ware, State Length Required1
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Brake Control
21***99Pipe, Assembly. ? 15x60 Bulk Ware, State Length Required0
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
25***40Screwed Fittings5
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Cable Drum : 60hz / 210/120 V
Komatsu : H485s-1(S/N G12016) : Undercarriage : Cable Duct
00***98Clamp 15/1510
30***99Bolt4
30***99Bolt4
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Cable Reel Arrangement
30***99Bolt2
30***99Bolt3
30***99Bolt2
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Carbody / Track Groups
30***99Screw80
30***99Bolt32
34***99Lock Washer32
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Carbody/Rotary Joint
25***40Hv-Washer6
30***99Bolt To Fig-Nos. 03, 04 + 054
31***99Washer18
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Ladder Assy.
23***40Threaded Plate4
30***99Screw8
30***99Bolt8
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Leakage Lines
21***99Pipe ? 12 Ca 300mm Bulk Ware, State Length Required0
21***99Pipe Assembly. ? 28 Bulk Ware, State Length Required0
26***40Hose Fittings4
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Rotary Joint - Drive Motors
15***40Test - Screw Coupling4
30***99Bolt8
31***99Washer8
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Track Adjusting
00***98Test Socket2
21***99Pipe, Assembly. ? 20 Bulk Ware, State Length Required2
25***40Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required0
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Track Frame
25***40Hv-Washer112
36***40Nut (Cold Weather Design)64
44***40Rail Support4
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Track Group - Idler Side
25***40Test-Screw Coupling4
30***99Bolt (Standard)16
30***99Bolt80
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Track Group, 1500 Mm
33***99Nut (Standard Equipment)192
34***99Washer384
42***40Bolt192
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Komatsu : H485s-1(S/N G12016) : Undercarriage : Track Group-Dr. Sprocket Side
25***40Hv-Washer24
30***99Screw8
30***99Bolt4
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Frequently asked questions

What engine powers the Komatsu H485S-1 hydraulic shovel?

Early production H485S units ran a single MTU V16 diesel rated at roughly 1,592 kW (2,135 hp). Later production shifted to a twin-engine configuration totaling roughly 2,237 kW (3,000 hp) combined. The exact engine configuration fitted to this serial is not confirmed in available documentation — verify against the engine dataplate or your dealer.

What is the operating weight of the Komatsu H485S-1?

Operating weight varies by build and configuration across the production run, from roughly 475-550 tonnes on earlier units up to about 639-640 tonnes on later, heavier-configured machines. Confirm the exact weight for this serial against its dataplate and installed attachment.

What replaced the Komatsu H485S-1 in the lineup?

The H485S-1 is considered a forerunner to Komatsu's later PC8000-class hydraulic mining shovel, developed after Komatsu's acquisition of Demag's mining shovel business. The PC8000 is a distinct, later-generation machine and is not a direct spec match for the H485S-1.

What H485S-1(S/N G12016) owners discuss

What powertrain does the H485S-1 use, and are there known quirks to watch for?
The H485 family, through the S-1 variant, was built around an MTU V16 diesel, one of the largest-displacement engines fitted to any hydraulic shovel of its era. Nobody has written up serial-specific engine behavior for this machine, but the general pattern for MTU's big V-block mining diesels holds: oil condition drives the change interval more than a fixed hour number, and sites that run scheduled oil sampling get far more life out of the engine before a rebuild is due. Early and late production runs of this shovel line used different engine tunes, so pull the actual interval and oil spec from the factory shop manual for this range rather than assuming a generic figure.
What should I expect from the hydraulic system on a machine this size?
The one detail that keeps surfacing about the H485 line is scale: the first unit needed a dedicated tanker truck on site just to keep the hydraulic system topped up, which tells you the reservoir and circuit volume on a shovel this size is well beyond anything in the excavator classes most mechanics work on daily. Expect correspondingly long fluid-change and flush procedures, and expect a leaking fitting or cylinder seal to show up as a real volume loss rather than just a stain on the ground. There is no public record of which seals or valves fail first on this specific serial range, so treat major cylinder or pump work as a job for someone with the factory manual in hand, and have your dealer verify circuit pressures and seal specs before starting that work.
What undercarriage wear patterns are typical for this class of shovel?
Owners of ultra-class hydraulic shovels in this weight range consistently report undercarriage wear (shoes, pins, bushings, rollers) as the dominant running cost, since the components carry weight in the hundreds of tonnes across a footprint that is wide but still heavily loaded per shoe. Track tension and pad wear need checking on a shorter interval than a mid-size excavator, not the same one. No shoe-life or wear-rate figure is published specifically for the H485S-1, so budget undercarriage inspection more frequently than you would on a mid-size machine rather than assuming mid-size wear curves apply.
Are there known electrical or sensor issues on this model?
This is an honest gap. No forum thread or blog discusses sensor faults, fault codes, or electrical gremlins specific to this model. The population of these shovels is small, and most worked at a handful of named opencast or mine sites rather than passing through the kind of high-volume rental fleet that generates forum chatter. If troubleshooting an electrical fault on one of these, the shop manual's wiring diagrams and connector pin-outs for this range are the only reliable reference. Do not assume a fault code or sensor location from a different shovel model carries over.
Why is there so little community discussion of this specific machine online?
The H485 was a mid-1980s Demag design, built in very small numbers, and worked heavy opencast coal and mine sites rather than moving through general equipment auctions or rental fleets. Low production plus specialist end users plus a decades-old build date is exactly why it never built up a forum footprint the way a common excavator model does. What public record exists is mostly period photography and mine-site history rather than owner or mechanic write-ups. Treat any specific maintenance claim about this exact serial with caution and lean on the factory manual over crowd-sourced advice.
What should I check when buying a used H485S-1?
Because so little is published specifically for this shovel, buying one comes down to the same fundamentals as any ultra-class hydraulic shovel, done more carefully given the machine's age and rarity. Pull full maintenance and oil-sample history on the engine. Inspect every hydraulic cylinder and the main pump and swing motor for external and internal leakage. Check undercarriage wear (shoes, pins, bushings, rollers) against remaining life, not just visual condition. Look over the boom, stick, and carbody welds for crack lines, a rust fringe at a weld is the classic tell. Missing maintenance records are a bigger red flag on a machine this old and this rare than on a common excavator, since there is no fallback community knowledge to fill the gap. Given the safety and cost stakes of a hydraulic and structural inspection on a machine this size, have your dealer or an OEM-trained inspector verify condition before you commit to a purchase.

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

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