Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PW110R-1(S/N 2260010001-Up)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PW110R-1 is a wheeled midi excavator designed for European utility markets, produced from approximately 2000 to 2010. It is powered by a Komatsu S4D106E1 FB engine delivering 70.9 kW (95 hp) at 2,000 rpm. The machine operates in the 9.73 to 11.2 metric ton weight class, depending on the specific configuration and counterweight setup. It succeeded the PW110R series and was later replaced by the PW98MR-11 and PW118MR-8 models. Configurations offered include standard and long stick booms, varying bucket capacities from 0.09 to 0.4 cubic meters, and options for double-rod hydraulic steering with three steering modes.
Across its generation, the PW110R-1 introduced closed load sensing (CLSS) hydraulics and selectable Power/Economy modes to optimize fuel efficiency and lifting power. The machine remains significant in the used and parts market due to its robust S4D106E1 engine and durable undercarriage components, which are widely sought after for maintenance on similar Komatsu utility excavators. Its compact 2.5-meter width and 9.00-20 tire configuration make it a staple for municipal and confined-space work, ensuring steady demand for its specific hydraulic and structural parts.
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 PW110R-1(S/N 2260010001-Up) specifications
Engine
| Model | Komatsu S4D106E1-FB |
| Gross Power | 71.8 kW (96.3 HP) |
| Net Power | 70.9 kW (95 HP) |
| Displacement | 4.412 L |
| Cylinders | Not documented for this exact serial range — verify with your dealer |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | 9,750 kg (21,495 lb) |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
| Transport Weight | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | 6,100 mm (20 ft 0 in) |
| Transport Width | 2,500 mm (8 ft 2 in) |
| Transport Height | 3,090 mm (10 ft 2 in) |
| Tail Swing Radius | Not documented for this exact serial range — verify with your dealer |
| Track Shoe Width | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
| Undercarriage Length | Not documented for this exact serial range — verify with your dealer |
Performance
| Max Dig Depth | 3,790 mm (12 ft 5 in) |
| Max Reach at Ground | 6,560 mm (21 ft 6 in) |
| Max Dump Height | Not documented for this exact serial range — verify with your dealer |
| Max Cutting Height | Not documented for this exact serial range — verify with your dealer |
| Swing Speed | 8.5 rpm |
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
| Drawbar Pull | Not documented for this exact serial range — verify with your dealer |
Forces
| Bucket Digging Force | Not documented for this exact serial range — verify with your dealer |
| Stick/Arm Digging Force | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System/Tank | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PW110R-1(S/N 2260010001-Up) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 12.5 l (3.3 US gal) | Komatsu EO 10W-30 or SAE 15W-30 (API CD); SAE 10W below -10°C; SAE 30 above 10°C |
| Cooling system | Not documented for this exact serial range — verify with your dealer | Super-coolant AF-NAC |
| Fuel tank | Not documented for this exact serial range — verify with your dealer | Diesel fuel |
| Hydraulic system total AND hydraulic tank | 84 l (22.2 US gal) | Komatsu TO hydraulic oil |
| Final drive (each) | Not documented for this exact serial range — verify with your dealer | Komatsu HO axle oil |
| Swing drive | Not documented for this exact serial range — verify with your dealer | Komatsu TO hydraulic oil |
| Pilot/other circuits if listed | Not documented for this exact serial range — verify with your dealer | Komatsu TO hydraulic oil |
| Grease (spec only) | N/A | Lithium complex grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu PW110R-1(S/N 2260010001-Up) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the PW110R-1(S/N 2260010001-Up) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA fluid analysis at every 500-hour interval to monitor engine wear metals and hydraulic oil particle counts. Check the coolant SCA concentration at 500 hours to prevent liner cavitation in the S4D106E1 FB engine. Monitor hydraulic oil viscosity and oxidation levels to protect the main pump and control valve seals. Track DEF levels daily to ensure Tier 4 emissions compliance. Analyze final drive oil for gear wear indicators to predict transmission failures before they occur.
Corrective & Common Repairs
Address hydraulic hose leaks promptly, as the PW110R-1 utilizes ORFS fittings that require specific torque to maintain seal integrity. Replace the hydraulic return filter at 500 hours to prevent contamination of the swing machinery and travel motors. Inspect the S4D106E1 FB engine oil cooler for clogged fins that cause overheating. Check the swing circle bolts and bearing play to prevent revolving frame misalignment. Replace worn track rollers or idlers if undercarriage wear exceeds factory limits to maintain traction and stability.
Overhaul & Rebuild Points
Plan for major hydraulic pump overhaul when flow rates drop below specification or internal leakage is detected. Rebuild the swing machinery assembly when bearing clearance exceeds limits or gear backlash becomes excessive. Inspect the final drive gears and bearings at 2,000-hour intervals for pitting or spalling. Overhaul the S4D106E1 FB engine injectors if fuel spray patterns are irregular or compression is low. Replace the entire undercarriage assembly when sprocket teeth are hooked or track chain pitch elongation exceeds 3 percent.
Seasonal & Environment Servicing
In cold climates, verify the coolant freeze protection level before winter operations to prevent block cracking. Use low-temperature hydraulic oil if operating below -10°C to ensure proper flow through the CLSS system. Check the battery electrolyte levels and charge state frequently in extreme cold to prevent starting failures. In dusty environments, clean the air filter outer element more frequently than the standard 1,000-hour interval. Inspect tire pressure weekly in hot weather to prevent sidewall damage and ensure optimal traction on loose surfaces.
PW110R-1(S/N 2260010001-Up) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129470-55610 | Body, Fuel Filter | Fuel system service | Check fitment → |
| YM120324-55760 | Element, Fuel Oil | Fuel system service | Check fitment → |
| 21D-98-11170 | Plate, Safety Fuel Filter | Fuel system service | Check fitment → |
| 21D-98-11180 | Plate, Safety, Engine Air Filter | Air intake service | Check fitment → |
| 21D-98-12050 | Plate, Safety, Hydraulic Oil Filter | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PW110R-1(S/N 2260010001-Up) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power failure or engine control drive system circuit malfunction. | Blown fuse, poor ground connection at the ECM, or damaged wiring harness to the engine controller. | Inspect the main engine fuses and relay; check continuity of the power and ground circuits at the ECM connector. |
| CA115 | Engine speed sensor and backup speed sensor failure. | Faulty crankshaft speed sensor, damaged sensor wiring, or excessive gap between sensor and tone wheel. | Check the sensor air gap and inspect the wiring harness for chafing or corrosion; replace the sensor if resistance is out of spec. |
| CA441 | Battery voltage is too low. | Discharged battery, loose battery terminals, or failing alternator/charging system. | Check battery terminal tightness and corrosion; test charging voltage at the battery with the engine running. |
| CA442 | Battery voltage is too high. | Faulty voltage regulator in the alternator or a short in the charging circuit wiring. | Test alternator output voltage; if voltage exceeds specification with the engine running, replace the alternator or regulator. |
| AA10NX | Air cleaner clogging. | Dirty or blocked air filter element, or a clogged pre-cleaner. | Inspect the air filter indicator; replace the air filter element if the indicator shows clogging or per service intervals. |
| B@BCNS | Engine coolant overheating. | Low coolant level, failed thermostat, clogged radiator fins, or malfunctioning cooling fan. | Check coolant level in the radiator and overflow tank; inspect the radiator for debris and verify fan operation. |
| B@HANS | Hydraulic oil overheating. | Low hydraulic oil level, clogged hydraulic oil cooler, or continuous operation at high load. | Check hydraulic oil level; clean the hydraulic oil cooler fins with compressed air or water; allow the system to cool. |
| CA122 | Intake air pressure sensor feedback voltage is too high. | Faulty intake air pressure sensor, shorted signal wire to the ECM, or sensor internal failure. | Disconnect the sensor connector and check for voltage on the signal wire; if voltage remains high, inspect the harness for a short to power. |
| CA123 | Intake air pressure sensor feedback voltage is too low. | Faulty intake air pressure sensor, open signal wire, or disconnected sensor connector. | Check the sensor connector for tightness and corrosion; test sensor resistance and signal voltage; replace the sensor if faulty. |
| CA234 | Engine overspeed. | Stuck throttle linkage, faulty governor, or malfunctioning engine control module. | Verify the throttle linkage moves freely and returns to idle; inspect the governor mechanism and ECM inputs. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PW110R-1(S/N 2260010001-Up) attachments & work tools
Buckets
Standard bucket capacity is 0.4 m³ (0.53 yd³) with a typical width of 1.0 m (3.3 ft). The machine operates in the smallest wheel excavator segment with an operating weight of 9.75 t (10.75 tons), limiting maximum bucket size to maintain stability.
Hydraulic hammers
Compatible with Komatsu B-series gas-fired breakers and H/V-series accumulator breakers designed for the 2 to 10 tonne machine class. The 70.9 kW (95 hp) engine power supports standard breaker operations within this weight range.
Quick couplers
Lehnhoff hydraulic quick couplers are the factory-supported option, covering excavators from the PC09 to PC1250 range. Mechanical and fully hydraulic variants are available to match the machine's pin-on or coupler configuration.
Thumbs/grapples
Komatsu sorting and demolition grapples are available for the 2 to 70 tonne class, featuring load control valves as standard. Thumbs and grapples for this 9.75 t (10.75 tons) class require verification of hydraulic flow compatibility.
Rippers
Not documented for this exact serial range. Verify with your dealer for available ripper configurations for the PW110R-1.
Hydraulic-kit notes
The machine features two selectable hydraulic power modes: 'Power' for maximum output and 'Economy' for reduced fuel consumption. High-flow circuits for heavy attachments must be verified against the 70.9 kW (95 hp) engine capacity.
All PW110R-1(S/N 2260010001-Up) assemblies by section
Every catalogued assembly group for the Komatsu PW110R-1(S/N 2260010001-Up). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Control System And Revolving Frame
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Fuel Control Lever
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (2nd Boom Ppc Valve Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 14***10 | Pedal Cap | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Arm And Swing Ppc Valve Line) (1/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Screw | 4 |
| 21***80 | Union | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Arm And Swing Ppc Valve Line) (2/2)
| 01***40 | Bolt | 1 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
| 21***60 | Union | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Blade Valve Line)
| 21***50 | Screw | 2 |
| 21***30 | Nut | 1 |
| 21***60 | Union | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Boom And Bucket Ppc Valve Line) (1/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Screw | 4 |
| 21***80 | Union | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Boom And Bucket Ppc Valve Line) (2/2)
| 21***60 | Union | 4 |
| 21***10 | Union Tee | 1 |
| 21***60 | O-Ring | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Boom Swing Ppc Valve Line)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Hydraulic Piping (Travel Ppc Valve Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Screw | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 5 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Outrigger Control Lever (1/2)
| 21***50 | Screw | 4 |
| 21***30 | Nut | 2 |
| 21***60 | Union | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Outrigger Control Lever (2/2)
| 21***80 | Union | 4 |
| 21***20 | Elbow | 1 |
| 21***20 | Union | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Revolving Frame
| 01***80 | Bolt | 4 |
| 21***10 | Washer | 8 |
| 21***40 | Antislip | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Servocontrol System Starting Lever
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 21***30 | Switch | 1 |
| 21***20 | Nut | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Control System And Revolving Frame : Steering Wheel
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Engine
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Air Intake Manifold
| YM***00 | Heather Air | 1 |
| YM***02 | Screw | 9 |
| YM***41 | Pipe | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Camshaft And Driving Gear
| YM***50 | Bearing, Thrust | 1 |
| YM***00 | Gear,Injection Pump Drive | 1 |
| YM***00 | Gear | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Cooling Water System
| YM***40 | Tube | 1 |
| YM***02 | Screw | 2 |
| YM***10 | Protector | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Crankshaft And Piston
| YM***00 | Connecting Rod, Assembly | 4 |
| YM***00 | Assembly, Piston (+0.25 mm) | 4 |
| YM***80 | Gear, Ring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Cylinder Block
| YM***00 | Screw | 18 |
| YM***20 | Screw | 10 |
| YM***40 | Bearing, Thrust (+0.25 mm) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Cylinder Head
| 22***00 | Motor, Assembly | 1 |
| 72***00 | Head,Assembly | 1 |
| YM***00 | Lifter | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Engine Stop Device
| YM***00 | Pin, Cotter | 2 |
| YM***02 | Nut | 1 |
| YM***20 | Joint | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Exhaust Manifold And Silencer
| YM***80 | Packing | 1 |
| YM***22 | Screw | 6 |
| YM***00 | Muffler | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Feed Pump
| YM***40 | Gasket | 4 |
| YM***60 | O-Ring | 2 |
| YM***00 | Screw | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Flywheel - Lubricating Oil Sump
| YM***10 | Oil Sump | 1 |
| YM***80 | Parallel Pin | 2 |
| YM***52 | Screw | 10 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Fuel Injection Line
| YM***40 | Injection Pipe N. 4 | 1 |
| YM***02 | Bolt Plated | 1 |
| YM***20 | Spring | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Fuel Injection Pump
| YM***00 | Segment | 4 |
| YM***40 | Gasket | 2 |
| YM***30 | Shim, 0.400 mm | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Fuel Piping
| YM***02 | Screw | 1 |
| YM***10 | Banjo Fitting | 1 |
| YM***80 | Screw | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Gasket Set
| YM***80 | Packing | 1 |
| YM***10 | O-Ring | 1 |
| YM***40 | O-Ring,Drain Plug | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Gear Housing
| YM***02 | Bolt Plated | 7 |
| YM***10 | O-Ring | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Generator
| YM***20 | Timer,Solenoid | 1 |
| YM***40 | Distance Piece | 1 |
| YM***40 | Screw | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Governor
| YM***00 | Gasket | 1 |
| YM***40 | Screw | 2 |
| YM***00 | Screw | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Lubricating Oil System (1/2)
| YM***02 | Bolt Plated | 4 |
| YM***00 | Oil Filter Ass'Y | 1 |
| YM***00 | Gauge, Oil Level | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Lubricating Oil System (2/2)
| YM***81 | Retainer | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***00 | Retainer | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Starter Motor
| YM***20 | Shift Lever Ass'Y | 1 |
| YM***10 | Housing | 1 |
| YM***60 | Cover, Rear | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine : Turbocharger
| YM***02 | Nut | 4 |
| YM***22 | Stud | 4 |
| YM***90 | Packing | 1 |
Engine Related Parts And Electrical System
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Air Cleaner And Mounting
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt | 2 |
| 01***40 | Bolt | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Air Cleaner And Mounting (Optional)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Battery
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Column And Service Line)
| 01***25 | Bolt,(For Automatic) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Fuse And Line)
| 01***20 | Screw | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 21***90 | Fuse 3a | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Light And Service Line) (1/2)
| 01***20 | Bolt,(Without Maintenance Monitor) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Light And Service Line) (2/2)
| 01***08 | Washer,(For Fixed Type Ripper) | 4 |
| 21***10 | Directional Light, Assembly | 2 |
| 21***30 | Bulb (Italy) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Travel Reverse Alarm)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Electrical System (Undercarriage Line)
| 22***30 | Hose-Clamp | 16 |
| 22***90 | Wiring Harness Undercarriage Line | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 16 |
| 01***40 | Bolt | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 16 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Front Dashboard
| 21***30 | Screw | 2 |
| 21***60 | Nut | 4 |
| 21***90 | Washer,Spring | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Fuel Piping
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 21***81 | Cock | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Fuel Tank
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Left Dashboard
| 21***30 | Screw | 5 |
| 21***30 | Screw | 3 |
| 21***90 | Cover | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Muffler And Piping
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Power Take Off
| 01***35 | Screw | 8 |
| 01***40 | Bolt,See Fig. K4010-64a0 | 12 |
| 21***80 | Washer,Spring | 12 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Radiator
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***60 | Bolt, Tube To Oil Cooler | 2 |
| 01***40 | Screw | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Right Dashboard
| 20***30 | Starting Switch,Starting | 1 |
| 21***72 | Wiring Harness, Dashboard Assembly | 1 |
| 21***30 | Screw | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Engine Related Parts And Electrical System : Self Fuel Supply Pump
| 01***14 | Bolt | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
| 21***80 | Filter | 1 |
Guard And Operator'S Cab
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (1/7)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (2/7)
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
| 21***50 | Nut | 1 |
| 22***50 | Pipe | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (3/7)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 5 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (4/7)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***35 | Screw | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (5/7)
| 21***40 | Screw | 4 |
| 21***60 | Hose-Clamp | 8 |
| 21***90 | Washer | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (6/7)
| 01***35 | Bolt | 8 |
| 01***23 | Washer,(With Auto Emergency Steering) | 16 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Air Conditioning System (7/7)
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 21***61 | Switch, Air Conditioning | 1 |
| 21***30 | Fuse 15a | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Cabin (1/6)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Screw | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Cabin (2/6)
| 01***04 | Nut,(For Air Conditioner Less) | 4 |
| 01***08 | Washer,(For Fixed Type Ripper) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Cabin (3/6)
| 01***25 | Bolt,(For Automatic) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 10 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Cabin (4/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Cabin (5/6)
| 21***40 | Ring, Snap | 8 |
| 21***30 | Spacer | 16 |
| 21***10 | Roof Hatch, Assembly | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Cabin (6/6)
| 21***10 | Screw | 4 |
| 21***40 | Screw | 20 |
| 21***60 | Washer | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Control Valve Side Cover
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Electrical System (Operator'S Cab)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***14 | Screw | 3 |
| 01***04 | Nut,(For Air Conditioner Less) | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Engine Side Cover
| 01***20 | Bolt,(With Auto Emergency Steering) | 13 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Floor Plate (1/2)
| 01***25 | Bolt,Without Revolution Sensor | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***10 | Bolt (Itl) | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Floor Plate (2/2)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Screw | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Heating System (1/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Heating System (2/2)
| 21***60 | Hose-Clamp | 8 |
| 22***10 | Hose | 3 |
| 22***20 | Reduction | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : L.H. And R.H. View Mirror
| 01***20 | Screw | 4 |
| 01***25 | Screw | 2 |
| 21***20 | Spring Washer | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Operator'S Cab (Equipment)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 21***20 | Screw | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Operator'S Seat
| 01***14 | Screw | 4 |
| 01***80 | Screw | 2 |
| 21***60 | Washer,Spring | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Revolving Frame Under Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 22 |
| 01***32 | Washer,(With Auto Emergency Steering) | 22 |
| 21***60 | Gasket | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Sound-Proofing
| 21***30 | Screw | 4 |
| 21***20 | Rabbet | 33 |
| 21***30 | Sheet | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Guard And Operator'S Cab : Top And Front Guard (Cab)
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 2 |
Mark Plate
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Equipment (For Road Circulation) (1/2)
| 01***16 | Bolt (With Air Heater & Conditioner) | 0 |
| 21***80 | Washer | 0 |
| 21***20 | Pin, Cotter | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Equipment (For Road Circulation) (2/2)
| 21***80 | Reflex Reflector | 2 |
| 21***30 | Pin, Safety | 2 |
| 21***70 | Grommet | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Equipment (Tbg Version) (1/2)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
| 21***80 | Support | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Equipment (Tbg Version) (2/2)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***20 | Screw | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Mark Plate
| 21***80 | Reflex Reflector | 2 |
| 21***40 | Plate, Arm Dimension | 2 |
| 21***50 | Plate, Safety, Radiator Cap | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Rotating And Cutting Shovel Equipment
| 01***70 | Bolt,(For Rops) | 6 |
| 21***40 | Nut | 6 |
| 21***50 | Washer | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Mark Plate : Tools
| 21***70 | Wrench | 1 |
| 21***90 | Box Wrench (32 mm) | 1 |
| 21***10 | Lever | 1 |
Swing Circle And Final Drive
Komatsu : Pw110r-1(S/N 2260010001-Up) : Swing Circle And Final Drive : Swing Circle
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***10 | Bolt (Op) | 40 |
| 01***30 | Bolt | 40 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Swing Circle And Final Drive : Swing Machinery
| 21***81 | Sun Gear | 1 |
| 21***10 | Shaft | 1 |
| 21***30 | Flange | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Swing Circle And Final Drive : Swing Motor (1/2)
| 04***20 | Ring, Retaining | 1 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Swing Circle And Final Drive : Swing Motor (2/2)
| 01***25 | Screw | 2 |
| 07***07 | O-Ring - (K10) | 3 |
| 07***16 | O-Ring,Suction And Relief Valve | 1 |
Under Carriage
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Axles Fixing
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***30 | Bolt | 4 |
| 01***30 | Screw | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Front Axle (1/6)
| 21***10 | O-Ring | 3 |
| 21***91 | Plug | 1 |
| 21***60 | Washer | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Front Axle (2/6)
| 21***80 | Bearing | 2 |
| 21***40 | Protection | 1 |
| 21***50 | Gasket Seal | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Front Axle (3/6)
| 21***40 | Bearing | 1 |
| 21***80 | Ring, Snap | 1 |
| 21***60 | Nut | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Front Axle (4/6)
| 21***10 | O-Ring | 2 |
| 21***20 | Steering Coloumn | 16 |
| 21***50 | Nut | 16 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Front Axle (5/6)
| 21***90 | Screw | 2 |
| 22***20 | Brake Disk, Intermediate | 8 |
| 22***30 | Check Bolt | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Front Axle (6/6)
| 22***20 | Screw | 4 |
| 22***41 | Push-Rod | 2 |
| 22***70 | Cylinder | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Brake Line) (1/3)
| 01***45 | Screw | 1 |
| 01***25 | Screw | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Brake Line) (2/3)
| 01***10 | Screw | 2 |
| 21***70 | Union | 2 |
| 21***20 | Union | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Brake Line) (3/3)
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 21***70 | Union | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Drain Line)
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Parking Brake Line)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 21***80 | Union | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Steering Line) (1/2)
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Steering Line) (2/2)
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 21***60 | Clamp | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Transmission Line)
| 21***80 | Union | 2 |
| 21***90 | Union | 2 |
| 21***20 | Elbow | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping (Travel Motor Line) (Lower)
| 01***35 | Screw | 4 |
| 01***40 | Bolt,(Tm8072-123) | 2 |
| 01***10 | Screw | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Hydraulic Piping Suspension Lock Cylinder Line
| 01***20 | Bolt,(Without Maintenance Monitor) | 8 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 8 |
| 01***30 | Bolt,Stopper | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Propeller Shaft
| 22***00 | Drive Shaft, Assembly | 1 |
| 22***10 | Kit, Propeller Shaft Mounting | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (1/8)
| 21***70 | Protection | 1 |
| 21***80 | Switch | 1 |
| 21***90 | Washer | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (2/8)
| 21***80 | Slide Block | 2 |
| 21***30 | Bearing | 4 |
| 21***90 | Spring Washer | 14 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (3/8)
| 21***10 | O-Ring | 3 |
| 21***91 | Plug | 1 |
| 21***60 | Washer | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (4/8)
| 21***40 | Bearing | 1 |
| 21***80 | Ring, Snap | 1 |
| 21***80 | Bearing | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (5/8)
| 21***40 | Bearing | 1 |
| 21***80 | Ring, Snap | 1 |
| 21***60 | Nut | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (6/8)
| 21***10 | O-Ring | 2 |
| 21***20 | Steering Coloumn | 16 |
| 21***50 | Nut | 16 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (7/8)
| 21***20 | Spacer | 2 |
| 21***60 | Nut | 2 |
| 21***90 | Pushrod | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Rear Axle (8/8)
| 22***20 | Screw | 4 |
| 22***41 | Push-Rod | 2 |
| 22***70 | Cylinder | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Track Frame
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Wheels
| 21***50 | Valve | 8 |
| 21***60 | Extension Valve | 4 |
| 21***70 | Ring | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Under Carriage : Wheels (Optional)
| 21***60 | Tyre (18-19.5 18pr) | 4 |
| 21***70 | Cover | 4 |
| 21***80 | Valve | 4 |
Work Equipment
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : 1st Boom
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 21***20 | Bushing | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : 2nd Boom
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***10 | Bolt,(Noise Suppression Spec.) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : 2nd Boom Cylinder, L.H.
| 01***25 | Screw | 8 |
| 21***10 | Screw | 6 |
| 21***80 | Nut | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : 2nd Boom Cylinder, R.H.
| 01***25 | Screw | 8 |
| 21***10 | Screw | 6 |
| 21***80 | Nut | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Arm Cylinder
| 01***25 | Screw | 8 |
| 01***25 | Bolt,See Fig. K4010-65a0 | 1 |
| 21***10 | Screw | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Arm Cylinder (For 2-Piece Boom)
| 01***25 | Screw | 8 |
| 01***25 | Bolt,See Fig. K4010-65a0 | 1 |
| 21***10 | Screw | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Arm, L=1850 Mm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 20***40 | Spacer? 1.0mm | 4 |
| 21***10 | Bushing | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Arm, L=2000 Mm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 20***40 | Spacer? 1.0mm | 4 |
| 21***10 | Bushing | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Arm, L=2300 Mm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 20***40 | Spacer? 1.0mm | 4 |
| 21***10 | Bushing | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Boom
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 20***40 | Spacer? 1.0mm | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Boom Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 12 |
| 21***70 | O-Ring | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Boom Swing Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 12 |
| 21***40 | Bushing | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Bucket
| 22***10 | Bucket, L=300 mm | 1 |
| 22***20 | Bucket, L=400 mm | 1 |
| 22***30 | Bucket, L=500 mm | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Bucket Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 12 |
| 21***40 | Bushing | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Bucket Link
| 20***40 | Spacer? 1.0mm | 10 |
| 21***20 | Bushing | 2 |
| 21***10 | Bushing | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Front Blade
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
| 20***40 | Spacer? 1.0mm | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Front Outrigger
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***90 | Bolt | 9 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping (Attachment Line)
| 21***10 | Union | 2 |
| 21***00 | Union | 1 |
| 21***80 | O-Ring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (Arm Side)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 21***60 | O-Ring | 7 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (Boom Side)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***45 | Bolt, Bracket Mounting | 1 |
| 21***90 | O-Ring | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (For 2-Piece Boom) (Boom Side)
| 21***80 | O-Ring | 3 |
| 21***90 | O-Ring | 3 |
| 22***90 | Hose | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (Optional Cock)
| 21***60 | O-Ring | 1 |
| 21***80 | O-Ring | 1 |
| 21***90 | O-Ring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping (Fast Coupling Line)
| 20***40 | Spacer? 1.0mm | 4 |
| 21***50 | Pin | 2 |
| 21***80 | Elbow | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Hydraulic Piping Hammer
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Screw | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Outrigger Or L.H. Blade Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 12 |
| 21***10 | Bushing | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Outrigger Or R.H. Blade Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 12 |
| 21***10 | Bushing | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Rear Blade
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
| 20***40 | Spacer? 1.0mm | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Rear Outrigger
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
| 20***40 | Spacer? 1.0mm | 16 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment : Swing Bracket
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***50 | Bolt,(For Strengthened Cover) | 1 |
Work Equipment Control System
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Brake Pump
| 21***11 | Kit, Gasket | 1 |
| 21***51 | Braking Module | 1 |
| 22***02 | Brake Pump, Assembly | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (1/7)
| 01***30 | Screw | 38 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 38 |
| 57***20 | O-Ring | 19 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (2/7)
| 07***20 | O-Ring,Cover? Transfer Case | 9 |
| 07***10 | O-Ring,Plate | 8 |
| 07***12 | O-Ring, Divider Valve Mounting | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (3/7)
| 07***20 | O-Ring,Cover? Transfer Case | 1 |
| 07***10 | O-Ring,Plate | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (4/7)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***07 | O-Ring - (K10) | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (5/7)
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
| 07***16 | O-Ring,Suction And Relief Valve | 1 |
| 07***09 | Ring,Back-Up (Kit) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (6/7)
| 07***07 | O-Ring - (K10) | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (7/7)
| 01***30 | Screw | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
| 07***20 | O-Ring,Cover? Transfer Case | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Control Valve (Safety Valve) (For Attachment Control Valve)
| 72***00 | Safety Valve | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (2nd Boom Cylinder Line)
| 01***35 | Bolt, Stopper | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (2nd Boom Cylinder Line) (Safety Valve)
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
| 21***30 | Hose-Clamp | 2 |
| 21***70 | O-Ring | 5 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line)
| 01***65 | Bolt,(Except Japan) | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line) (For 2-Piece Boom)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 21***20 | O-Ring | 1 |
| 21***60 | O-Ring | 5 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line) (Safety Valve)
| 01***80 | Bolt,(For Long Lever Control) | 4 |
| 01***30 | Screw | 8 |
| 21***60 | Hose-Clamp | 20 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line) (Safety Valve)
| 01***25 | Screw | 8 |
| 01***00 | Screw | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line) (With 2-Piece Boom)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 21***60 | O-Ring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Swing Line)
| 21***60 | Hose-Clamp | 1 |
| 21***70 | O-Ring | 1 |
| 21***30 | O-Ring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 1 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line) (For 2-Piece Boom)
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 8 |
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
| 21***60 | O-Ring | 5 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line) (Safety Valve)
| 21***60 | O-Ring | 2 |
| 21***70 | O-Ring | 1 |
| 21***70 | O-Ring | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line) (Safety Valve) (Rotating And C
| 21***60 | O-Ring | 2 |
| 21***70 | O-Ring | 1 |
| 21***70 | O-Ring | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Delivery Line)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 3 |
| 01***35 | Screw | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Front And Rear Outrigger) (1/2)
| 01***70 | Screw | 4 |
| 21***70 | O-Ring | 13 |
| 21***10 | O-Ring ` | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Front Blade With Rear Outrigger) (1/2)
| 01***70 | Screw | 4 |
| 21***40 | Plug | 1 |
| 21***70 | O-Ring | 11 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Front Blade With Rear Outrigger) (2/2)
| 01***30 | Bolt | 6 |
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Load Sensing)
| 21***10 | O-Ring | 6 |
| 21***90 | O-Ring | 1 |
| 21***60 | O-Ring | 5 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Oil Cooler And Return Line)
| 21***60 | Union | 1 |
| 21***40 | Elbow | 1 |
| 21***30 | Elbow | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Outrigger Solenoid Valve Line) (Rear)
| 21***70 | O-Ring | 6 |
| 21***30 | O-Ring | 1 |
| 21***70 | O-Ring | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Overload Sensor Line)
| 01***50 | Screw | 2 |
| 01***08 | Washer,(For Fixed Type Ripper) | 2 |
| 21***00 | Elbow | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Ppc Piping) (1/3)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Screw | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Ppc Piping) (2/3)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Ppc Piping) (3/3)
| 21***80 | Union | 1 |
| 21***50 | Union | 2 |
| 21***50 | Union | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Rear And Front Outrigger) (2/2)
| 01***30 | Bolt | 6 |
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Rear Outrigger)
| 01***30 | Bolt | 6 |
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Steering Line) (1/2)
| 01***60 | Bolt,(For Japan And Sweden) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Steering Line) (2/2)
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 21***90 | Union | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Suction Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***35 | Screw | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Swing Motor Line)
| 01***40 | Bolt,(Tm8072-123) | 12 |
| 21***50 | Elbow | 1 |
| 21***10 | Plug | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping (Travel Motor Line) (Upper)
| 21***20 | O-Ring | 1 |
| 21***80 | O-Ring | 3 |
| 21***30 | O-Ring | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping Blade
| 21***70 | O-Ring | 3 |
| 21***30 | O-Ring | 1 |
| 21***10 | O-Ring ` | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Piping Rear Blade
| 01***30 | Bolt | 6 |
| 01***30 | Bolt,Stopper | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (1/9)
| 04***18 | Bolt, Eye | 1 |
| 07***12 | Plug,Magnetic | 1 |
| 70***20 | Pump, Assembly | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (2/9)
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| 70***60 | Snap Ring | 1 |
| 70***60 | Spacer | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (3/9)
| (****1) | Seat | 1 |
| (****0) | Cylinder Block | 1 |
| (****0) | Piston Sub Ass'Y | 9 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (4/9)
| (****0) | O-Ring | 1 |
| (****0) | O-Ring | 1 |
| (****1) | Set Screw | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (5/9)
| 07***09 | O-Ring | 2 |
| 70***90 | Pc Valve, Assembly | 1 |
| 70***20 | O-Ring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (6/9)
| 70***20 | Valve Ass'Y,Ls | 1 |
| 70***10 | O-Ring | 1 |
| 70***80 | Gasket | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (7/9)
| 70***13 | Plug Sub Ass'Y | 1 |
| 70***10 | O-Ring | 1 |
| 70***80 | Gasket | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (8/9)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***65 | Screw | 2 |
| 01***25 | Screw | 3 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Pump (9/9)
| 70***90 | Gear Pump, Assembly | 1 |
| (7***0) | Pump, Assembly | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Hydraulic Tank
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Ppc Valve (For Travel)
| 01***30 | Bolt,Stopper | 1 |
| 01***18 | Screw | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Ppc Valve For Blade, Boom Swing, 2-Piece Boom
| 01***20 | Screw | 1 |
| 21***50 | Ppc Valve | 1 |
| 21***60 | Support | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Ppc Valve, Blade
| 21***60 | Ppc Valve | 1 |
| 21***40 | Boot | 1 |
| 21***50 | Piston, Assembly | 2 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Ppc Valve, L.H.
| 21***31 | Lever | 1 |
| 22***20 | Ppc Valve, L.H., Assembly | 1 |
| 22***50 | Kit, Lever | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Ppc Valve, R.H.
| 21***30 | Kit, Push-Button | 1 |
| 22***10 | Ppc Valve, R.H., Assembly | 1 |
| 22***50 | Kit, Lever | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Servocontrol Feed Unit
| 01***16 | Screw | 2 |
| 01***25 | Screw | 2 |
| 01***40 | Screw | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Swivel Joint
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Swivel Joint (Mounting Parts)
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***50 | Bolt,(Shim Thickness?Less Than 8mm) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Travel Motor (1/2)
| 22***00 | Travel Motor, Assembly | 1 |
| 22***30 | Shim | 1 |
| 22***40 | Spring | 1 |
Komatsu : Pw110r-1(S/N 2260010001-Up) : Work Equipment Control System : Travel Motor (2/2)
| 22***10 | Counter Balance Valve, Assembly | 1 |
| 22***20 | Kit, Gasket | 1 |
| 22***50 | Screw | 1 |
PW110R-1(S/N 2260010001-Up) serial number reference
Locate the riveted data plate on the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. Read the 17-character ISO PIN starting from the left; the first three characters are the manufacturer code, while the fourth through eighth characters encode the model family and configuration.
| Prefix | Identifies | Notes |
|---|---|---|
| 2260010001 | PW110R-1 | Valid serial start for this model variant; verify with dealer for specific configuration details. |
Frequently asked questions
What engine does the PW110R-1 (S/N 2260010001-Up) use?
The PW110R-1 (S/N 2260010001-Up) uses the Komatsu S4D106E1 FB engine, delivering 70.9 kW (95 hp) at 2,000 rpm.
What is the operating weight of the PW110R-1?
The operating weight varies by configuration, ranging from 9.73 to 11.2 metric tons (21,450 to 24,690 lb).
What model replaced the PW110R-1?
The PW110R-1 was succeeded by the PW98MR-11 and PW118MR-8 models in Komatsu's wheeled midi excavator lineup.
What PW110R-1(S/N 2260010001-Up) owners discuss
What engine quirks are reported for the Komatsu PW110R-1 (S/N 2260010001-Up) regarding cold starting and hot restarts?
Owners report difficulty starting the engine when cold, often requiring extended cranking. A common failure mode occurs after heavy operation: the engine cranks but fails to fire immediately after shutdown. This typically resolves after the engine cools for approximately 15 minutes. The root cause is frequently identified as a failing injection pump that expands and leaks internally when hot, losing prime. A secondary cause is a burnt fuse for the intake air heater spiral. Some operators use a cold water pour test on the injection pump to confirm if heat expansion is the culprit; if the engine starts after cooling, the pump requires regeneration. Valve lash checks are also recommended as excessive clearance can cause hard starting and power loss when hot. Have your dealer verify the injection pump timing and valve clearances per the factory service manual specifications.
What hydraulic behaviors are typical for this machine, and how do they change with temperature?
The PW110R-1 features selectable hydraulic power modes: "Power" for maximum output and "Economy" for fuel efficiency during finishing work. A common diagnostic pattern is hydraulic weakness that appears only when the machine is hot. As hydraulic oil warms, viscosity drops, exposing internal leakage in the main pump, control valve, or cylinders. If all functions (boom, arm, bucket, swing, travel) become slow simultaneously, the issue is likely shared: low oil level, degraded Komatsu EO or TO hydraulic oil, clogged hydraulic filters, or excessive pump wear. If only one function is slow, check the specific cylinder, control valve spool, or load-holding valve. Travel speed may also be affected by the pilot control system or travel motor leakage. Have your dealer verify hydraulic pressure and flow rates using the factory diagnostic procedures.
What are the common undercarriage or wear patterns for the PW110R-1?
The PW110R-1 is a wheel excavator, so undercarriage wear is not applicable. However, wheel and axle components are critical wear points. The machine uses double-rod hydraulic cylinders in the axles for steering. Operators should monitor the hydraulic hoses and connections to these axle cylinders for leaks or damage, as steering relies on hydraulic pressure. Track tension is not a factor, but wheel bearing wear and tire condition (standard 9.00-20 tires) are primary maintenance items. The machine is equipped with outrigger stabilizers; check the stabilizer cylinders and pads for wear and leakage, as improper stabilization can lead to frame stress during lifting operations. Have your dealer verify the axle hydraulic circuit integrity and stabilizer function.
What electrical or sensor issues are commonly discussed for this model?
Komatsu excavators of this era rely on electronic control systems. Owners report intermittent starting, dashboard display failures, or random shutdowns. These symptoms often stem from unstable power supplies, faulty sensors, or corroded connectors rather than major component failure. A specific electrical fault noted is a burnt fuse for the intake air heater spiral, which can contribute to cold-starting difficulties. Ground connections between the engine and chassis should be inspected for corrosion, as poor grounding can cause erratic sensor readings and starting issues. Have your dealer verify the battery state of charge, ground connections, and sensor signals using the factory diagnostic tool.
What cooling system issues are reported, and how should they be diagnosed?
Owners report coolant boiling or expulsion under heavy load. A common cause is a missing or failed thermostat, which prevents proper coolant circulation and temperature regulation. Another frequent issue is a blown head gasket, which can be confirmed by a combustion gas test (CO2 test) in the cooling system; if the tester fluid changes color, combustion gases are entering the coolant. Operators also note that debris packed between the radiator, hydraulic oil cooler, and charge-air cooler can restrict airflow, causing overheating even if the coolant level is adequate. Cleaning the spaces between heat exchangers is a standard maintenance step. Have your dealer verify the head gasket integrity and cooling system pressure.
What causes weak travel performance, and how is it diagnosed?
Weak or non-existent travel is a common complaint. If both tracks are weak, check the pilot control system, travel control input, and hydraulic supply pressure. If only one track is weak, focus on that side's travel motor, final drive, or hydraulic hoses. The PW110R-1 uses a hydrostatic drive system. Operators report that the travel motor or internal clutch plates in the transmission may be worn. A diagnostic step is to check if the machine moves in "turtle" and "hare" modes when lifted on supports; if it moves when lifted but not on the ground, the issue may be mechanical binding or insufficient hydraulic pressure to overcome ground resistance. Have your dealer verify the travel circuit pressure and motor function.
What should be checked when buying a used PW110R-1 (S/N 2260010001-Up)?
When inspecting a used PW110R-1, prioritize the following: 1) Engine: Check for cold-starting difficulties and hot restart failures, which indicate injection pump issues. Verify the intake air heater fuse is intact. 2) Cooling System: Perform a combustion gas test to rule out head gasket failure. Ensure the thermostat is present and functioning. 3) Hydraulics: Test all functions cold and hot. Weakness when hot suggests internal pump or valve leakage. Check for leaks in the axle steering cylinders. 4) Electrical: Verify dashboard functionality and check for intermittent shutdowns. 5) Structure: Inspect the frame for cracks, particularly around stiffener plates and welds, as frame breaks are a known failure mode in older Komatsu excavators. 6) Tires and Outriggers: Check tire wear (9.00-20) and stabilizer cylinder integrity. Have your dealer verify the frame structure and hydraulic pressures per the factory service manual.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu PW110R-1(S/N 2260010001-Up). Related factory variants of the same model family:
PW110R-1(S/N 2260000282-Up)PW110R-1(S/N 2260000001-Up)
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