Komatsubulldozersmall ( - d39)
Komatsu D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D31P-16A (S/N 25001-UP) is a compact crawler tractor configured as a Power Angle Tilt Dozer. This machine operates in the 14,881.3 lb (6750 kg) weight class and utilizes a Komatsu 4D105-3 4-cylinder engine producing 63 hp at 2350 rpm. It features a hydrostatic (HS) transmission with three forward and three reverse gears, providing precise control for utility earthmoving applications.
The -16A series represents a specific configuration of the D31P line, distinguished by its power angle tilt capabilities compared to straight-tilt variants. In today's used equipment market, this machine is valued for its specialized blade control and compact footprint. Maintenance of the hydrostatic drive and 4D105 engine remains critical for preserving resale value and ensuring operational reliability in utility-scale construction projects.
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 D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) specifications
Engine
| Engine Model | 4D105-3 |
| Number of Cylinders | 4 |
| Gross Power | 63 hp (47 kW) |
| Power Measured @ | 2350 rpm |
| Displacement | 264.3 cu in (4.4 L) |
| Engine Make | Komatsu |
Weights
| Operating Weight | 14881.3 lb (6750 kg) |
Dimensions
| Length W/ Blade | 12.92 ft in (3935 mm) |
| Width Over Tracks | 7.39 ft in (2250 mm) |
| Height To Top Of Cab | 8.6 ft in (2620 mm) |
| Length Of Track On Ground | 7.17 ft in (2185 mm) |
| Ground Clearance | 1.27 ft in (385 mm) |
| Track Gauge | 5.42 ft in (1650 mm) |
| Standard Shoe Size | 23.63 in (600 mm) |
Undercarriage
| Number Of Track Rollers Per Side | 6 |
| Track Pitch | 6.07 in (154 mm) |
| Number Of Shoes Per Side | 41 |
Performance
| Transmission Type | HS |
| Number Of Forward Gears | 3 |
| Number Of Reverse Gears | 3 |
Blades
| Standard Blade Width | 9.4 ft in (2860 mm) |
| Standard Blade Height | 29.4 in (745 mm) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase (w/ filter) | Not specified | 10w/30, 15w/40 Engine Oil |
| Cooling System | 5.9 gal (22.3 L) | Antifreeze Blue Concentrate or Red OAT 5 Year Antifreeze Coolant |
| Fuel Tank | 30.4 gal (115 L) | |
| Transmission/Powertrain (Powershift Transmission + Bevel Gear/Steering Compartments) | Not specified | 80w/90 GL4 or GL5 Gear Oils; Dexron II or Dexron III Automatic Transmission and Steering Fluid |
| Final Drives (each) | Not specified | 80w/90 EP GL5 |
| Hydraulic System/Tank | 45 L (12 U.S. Gal) | ISO HLP 32, ISO HLP 46, or HVI 46 Hydraulic Oil |
| Grease | Not specified |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor hydraulic fluid quality regularly to prevent hydrostatic transmission failure. Analyze engine oil for metal particulates which may indicate 4D105-3 cylinder wear. Check the bevel case dipstick and transmission dipstick under the seat for proper levels. Use Komatsu-compatible fluids like Komatsu EO or TO to maintain lubrication integrity. Early detection of oil contamination prevents systemic damage to the hydraulic pump and control valves.
Corrective & Common Repairs
Address transmission whining noises immediately, as these often signal issues within the hydrostatic drive or bevel case. Inspect for oil leaks near steering components, which can cause loss of directional control. If the machine stops pulling, check the transmission strainer for blockages. Ensure the blade trunnion pivot is secure; worn pivots may require replacement with compatible hardware to maintain blade stability during heavy pushing.
Overhaul & Rebuild Points
Plan for undercarriage rebuilds when track shoe wear or pitch elongation exceeds service limits. The 41 shoes per side and 6 rollers per side assembly requires inspection of the track gauge and pitch. Major engine overhauls should focus on the 4-cylinder 4D105-3 block, specifically inspecting injection pump area and valve train. Rebuilding the hydrostatic transmission involves checking internal clutch and brake engagement tolerances.
Seasonal & Environment Servicing
In dusty environments, prioritize frequent air pre-cleaner cleaning and radiator core inspections to prevent overheating. During cold operations, ensure engine coolant concentration is appropriate for freezing temperatures. Check the track tension regularly after operating in muddy or heavy clay conditions to prevent excessive underload drag. Ensure all grease points are purged of water and contaminants during seasonal transitions.
D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 6127-61-2971 | O-Ring,Oil Cooler Element | Lubrication service | Check fitment → |
| 600-181-9200 | Element Ass'Y,Outer | Scheduled service item | Check fitment → |
| 600-181-9500 | Element Ass'Y | Scheduled service item | Check fitment → |
| 600-181-9600 | Element Ass'Y,(With Tension Pulley Type) | Scheduled service item | Check fitment → |
| 07271-01460 | Hose, Filter To Injection Pump | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power failure or engine management system malfunction | ECM power connection issues, blown fuses, or faulty ground wires | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine control failure (reduction of output power to protect engine) | High coolant temperature, low oil pressure, or clogged air filter | Check coolant temperature, oil pressure, and air filter condition |
| CA115 | Engine crankshaft speed sensor and speed sensor malfunction | Broken sensor, wiring harness damage, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA234 | Engine overspeed | Incorrect throttle calibration, excessive engine load cycle, or operator misuse | Verify throttle calibration and check engine load conditions |
| CA441 / CA442 | Battery voltage too low or too high | Faulty alternator, depleted battery, or malfunctioning voltage regulator | Replace the alternator or battery and check the voltage regulator |
| CA451 / CA452 | Common rail pressure sensor feedback error (too high or too low) | Malfunctioning fuel rail pressure sensor or issues in the pump lines | Diagnose the fuel rail pressure sensor and inspect pump lines |
| AA10NX | Clogged air filter | Excessive dust or debris accumulation in the air cleaner | Replace the air filter element |
| B@BCNS | Engine coolant overheating | Low coolant level, clogged radiator fins, or faulty fan belt | Check radiator fins, fan belt, and coolant level |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) attachments & work tools
Blades
Standard blade width is 9.4 ft in (2860 mm) with a height of 29.4 in (745 mm). Specific configurations for S/SU/A or VPAT are not documented for this exact serial range.
Rippers
Not documented for this exact serial range — verify with your dealer.
Winches
Not documented for this exact serial range — verify with your dealer.
Drawbars/counterweights
Not documented for this exact serial range — verify with your dealer.
Cab/ROPS guarding options
Not documented for this exact serial range — verify with your dealer.
Hydraulic arrangement notes
Not documented for this exact serial range — verify with your dealer.
All D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) assemblies by section
Every catalogued assembly group for the Komatsu D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d105-3c S/N 40138-Up
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Air Intake Connection And Air Cleaner(#40138-56494)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***80 | Bolt, Mount Strainer Flange | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Air Intake Connection And Air Cleaner(#56495-63805)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***80 | Bolt, Mount Strainer Flange | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Air Intake Connection And Air Cleaner(#63806-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***70 | Bolt, Spacer | 2 |
| 01***30 | Bolt, Mount Control Valve | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Alternator
| 60***10 | Alternator A. (25a) | 1 |
| KD***30 | Holder,Brush | 1 |
| KD***72 | Slip Ring Ass'Y | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Alternator (For Trimming Dozer)
| 60***80 | Alternator A. (13a) | 1 |
| KD***30 | Holder,Brush | 1 |
| KD***72 | Slip Ring Ass'Y | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Alternator And Mounting
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***25 | Bolt | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Camshaft And Tappet(#40138-40495)
| 01***18 | Bolt | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Camshaft And Tappet(#40496-)
| 01***18 | Bolt | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Crankshaft
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 02***04 | Plug,(Not Shown) | 4 |
| 04***25 | Key | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Cylinder Block
| 01***22 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 7 |
| 01***65 | Bolt | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Cylinder Head
| 01***16 | Bolt,(For Slag Handling) | 6 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Cylinder Head Cover(#40138-63805)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 8 |
| 01***70 | Bolt | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Cylinder Head Cover(#63806-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 8 |
| 01***70 | Bolt | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Emergency Relay And Resistor
| 60***70 | Switch,Air Intake Heater | 1 |
| 60***60 | Switch,Heater Relay | 1 |
| 61***50 | Resistor | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Exhaust Manifold And Muffler
| 01***20 | Capscrew - M10 | 2 |
| 01***25 | Bolt, Mount Cover | 4 |
| 01***40 | Bolt, Mount Retainer | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Flywheel And Flywheel Housing
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 15 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 5 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Front Cover
| 01***45 | Bolt,(For Suction? Reversible Fan) | 7 |
| 01***75 | Bolt,(For D57sr) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 9 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Filter And Mounting
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
| 01***16 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Injection Pump (Feed Pump)
| 61***10 | Injection Pump Ass'Y,(See Fig.1451) | 1 |
| DK***00 | Tappet | 1 |
| DK***20 | Housing | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Injection Pump (Governor) (1/2)
| 61***10 | Injection Pump Ass'Y,(See Fig.1451) | 1 |
| DK***00 | Gasket | 1 |
| DK***00 | Adapter | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Injection Pump (Governor) (2/2)
| 61***10 | Injection Pump Ass'Y,(See Fig.1451) | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Collar | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Injection Pump (Pump)
| 61***10 | Injection Pump Ass'Y,(See Fig.1451) | 1 |
| 61***11 | Injection Pump Ass'Y | 1 |
| DK***20 | Plunger Ass'Y | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Injection Pump And Piping
| 01***25 | Bolt (M6-1.00x25) | 1 |
| 01***35 | Stud | 6 |
| 01***35 | Stud | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Fuel Nozzle And Spill Pipe
| 01***65 | Bolt | 8 |
| 07***12 | Gasket,Mechanical Pump Piping | 6 |
| 61***52 | Bolt, Joint | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Gasket Kit
| 01***23 | Washer,Lock (K2) | 1 |
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Intake Air Heater(#40138-63805)
| 01***16 | Bolt,(For Slag Handling) | 1 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***05 | Nut (Welded) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Lubricating Oil Filter(#40138-52218)
| 01***16 | Bolt,(For Slag Handling) | 8 |
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Lubricating Oil Filter(#52219-)
| 01***16 | Bolt,(For Slag Handling) | 11 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Lubricating Oil Pump
| 01***30 | Bolt,(For France Noise Suppression) | 5 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 5 |
| 01***16 | Washer,Radio Controlled Slag Handling | 5 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Lubricating Oil Strainer
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Oil Pan
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 23 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Piston And Connecting Rod
| 61***14 | Bolt | 2 |
| 61***15 | Bolt,(Service Parts) | 2 |
| 61***22 | Nut,(Service Parts) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Rocker Arm
| 01***12 | Bolt,(Without R.P.C.U.) | 1 |
| 01***80 | Bolt,(Shim 5 Pieces Over) | 4 |
| 01***19 | Washer,(Not Used With Ventilator) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Starting Motor (#42792-..)
| 60***41 | Starting Motor Ass'Y,(See Fig.1545) | 1 |
| 60***42 | Starting Motor A.,(5.5kw) (See Fig.2546) | 1 |
| KD***10 | Clutch Ass'Y,Over Running | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Starting Motor (1/2)(#..-)
| 60***43 | Starting Motor A.,(5.5kw) (See Fig.0661) | 1 |
| KD***10 | Clutch Ass'Y,Over Running | 1 |
| KD***01 | O-Ring | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Starting Motor (2/2)(#..-)
| KD***01 | Washer,Seal | 3 |
| KD***80 | Shift Lever Ass'Y | 1 |
| KD***30 | Contactor,Moving | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Starting Motor (For Trimming Dozer)
| 60***51 | Starting Motor A | 1 |
| KD***10 | Clutch Ass'Y,Over Running | 1 |
| KD***80 | Field Coil Ass'Y | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Starting Motor And Mounting
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***36 | Washer, Spring | 3 |
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Starting Motor(#40138-42791)
| 60***40 | Starting Motor A.,(See Fig.1545) | 1 |
| 60***41 | Starting Motor A.,(See Fig.1545) | 1 |
| 60***42 | Starting Motor A | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Water Pump And Cooling Fan(#40138-47893)
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : 4d105-3c S/N 40138-Up : Water Pump And Cooling Fan(#47894-)
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 8 |
Damper And Transmission
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : 1st Housing
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : 2nd Housing
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***60 | Bolt | 10 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 10 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Damper
| 01***18 | Bolt (Op) | 12 |
| 01***30 | Bolt,(For France Noise Suppression) | 16 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 16 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Forward And 3rd Housing
| 04***24 | Pin,Dowel (For No.3 Housing) | 2 |
| 04***12 | Pin, Spring | 3 |
| 04***20 | Ring, Snap | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Inching Pedal(#25001-26457)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***35 | Screw | 1 |
| 01***20 | Screw | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Inching Pedal(#26458-)
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***35 | Screw | 1 |
| 01***20 | Screw | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Modulation Valve
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***60 | Bolt,(Without Alternator Bracket) | 2 |
| 01***70 | Bolt | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Reverse Housing
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***12 | Washer,Holder | 1 |
| 04***00 | Key | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Selector And Inching Valve(#25001-26457)
| 01***45 | Bolt,(S6d155-4b) | 14 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 1 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 14 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Selector And Inching Valve(#26458-)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 5 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Transmission Case
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Transmission Control Lever
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Transmission Control Linkage
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 7 |
| 01***05 | Nut? L.H. Thread,R.H. Thread | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Transmission Pump
| 01***55 | Bolt,(For Trimming Dozer) | 7 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 7 |
| 07***14 | O-Ring,Valve Cover | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Damper And Transmission : Universal Joint
| 01***40 | Bolt,(For Position Fixing) | 16 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 16 |
| 07***20 | Plug,(D31s) | 1 |
Engine Related Parts And Electrical System
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Battery
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 8 |
| 08***12 | Battery (115f51) | 2 |
| 08***12 | Battery (115f51),(For Japan) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Electrical System(#25001-28000)
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Electrical System(#28001-)
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***16 | Bolt (Welded) | 2 |
| 01***16 | Bolt,(For Slag Handling) | 5 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***20 | Bolt,Front (Except Japan) | 4 |
| 07***09 | Clamp,(With Cylinder Cover) | 4 |
| 07***29 | Clamp, Hose | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Fuel Control Lever
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Fuel Tank And Piping With Additional Fuel Filter (Except Jap(#25001-28000)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
| 01***30 | Bolt,(For Center Guard) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Fuel Tank And Piping With Fuel Filter (Except Japan)(#28001-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Fuel Tank And Piping(#25001-28000)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
| 01***30 | Bolt,(For Center Guard) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Fuel Tank And Piping(#28001-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***35 | Bolt,(For Pedal Steering) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Instrument Panel
| 01***16 | Bolt (Welded) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Oil Cooler And Piping(#25001-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Oil Cooler And Piping(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 11 |
| 01***70 | Bolt, Spacer | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
| 01***60 | Bolt (M10-1.50x60) | 2 |
Guard
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Cross Bar(#25001-.)
| 01***50 | Bolt, Fuel Tank Mounting - Front Left | 36 |
| 01***60 | Flat Washer - M20 (Hardened) | 36 |
| 04***24 | Pin | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Engine Bottom Guard
| 01***25 | Bolt | 3 |
| 01***35 | Bolt,(For Pedal Steering) | 16 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Hitch(#25001-28000)
| 01***55 | Bolt, Strut Mounting - To Radiator And Rear Frame | 2 |
| 01***60 | Flat Washer - M20 (Hardened) | 2 |
| 04***12 | Pin,Cotter (For Ripper) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Hitch(#28001-)
| 01***55 | Bolt, Strut Mounting - To Radiator And Rear Frame | 2 |
| 01***60 | Flat Washer - M20 (Hardened) | 2 |
| 11***20 | Hitch Ass'Y | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Loader Frame And Floor Plate(#25001-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 5 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 25 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Loader Frame And Floor Plate(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 22 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Arabic)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***01 | Plate? Caution,Fuel Tank Water Drain | 1 |
| 09***80 | Plate? Safety,Hydraulic Tank | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Arabic)(#28001-28763)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***60 | Plate? Instruction,(Arabic-English) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Arabic)(#28764-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***60 | Plate? Instruction,(Arabic-English) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (English)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***60 | Plate? Safety,Before Operating (Usa Spec.) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (English)(#28001-28763)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (English)(#28764-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (French)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (Ex. France) | 1 |
| 09***01 | Plate? Caution,Fuel Tank Water Drain | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (French)(#28001-28763)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (French) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (French)(#28764-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (French) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (General Spec.) (Except Japan)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***01 | Plate? Caution,Fuel Tank? Water Drain | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (German)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***70 | Plate? Operating,Lift And Tilt Lever | 1 |
| 09***16 | Plate? Operating,Ripper Control Lever Lock | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (German)(#28001-28763)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (German)(#28764-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Indonesian)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***01 | Plate? Caution,Fuel Tank Water Drain | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Spanish)(#25001-28000)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***01 | Plate? Caution,Fuel Tank Water Drain | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Spanish)(#28001-28763)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (Spanish) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Mark And Plate (Spanish)(#28764-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (Spanish) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Operator'S Seat(#25001-28000)
| 01***25 | Bolt (M6-1.00x25) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Operator'S Seat(#28001-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Radiator Guard And Hood
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 21 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Rear Cover And Hydraulic Tank(#25001-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 10 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 30 |
| 01***30 | Bolt,(For France Noise Suppression) | 11 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Guard : Rear Cover And Hydraulic Tank(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 20 |
| 01***35 | Bolt,(For Pedal Steering) | 4 |
Optional Parts
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Battery? Large Capacity(#25001-28000)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 20 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Battery? Large Capacity(#28001-)
| 01***25 | Bolt? Wing | 1 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Canopy
| 01***25 | Bolt - Rear Guard Mounting | 8 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***40 | Bolt,(For Center Guard) | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Car Heater (Steel Cab)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Door And Window (L.H.) (Rops Cab)(#25001-28000)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***08 | Screw, Terminal | 1 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Door And Window (L.H.) (Rops Cab)(#28001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 1 |
| 01***10 | Screw,(For Wiper Switch Earth) | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Door And Window (R.H.) (Rops Cab)(#25001-28000)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***08 | Screw, Terminal | 1 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Door And Window (R.H.) (Rops Cab)(#28001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 1 |
| 01***10 | Screw,(For Wiper Switch Earth) | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Door And Window (Steel Cab)
| 01***12 | Screw,R.H | 2 |
| 01***16 | Screw,(With Ashtray) | 1 |
| 01***12 | Screw | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Electrical System (Rops Cab)(#25001-28000)
| 01***16 | Bolt (Welded) | 6 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Electrical System (Rops Cab)(#28001-)
| 01***16 | Bolt (Welded) | 6 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Electrical System (Steel Cab)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Floor Mat (Rops Cab)(#25001-28000)
| 01***10 | Screw,(With Air Conditioner) | 17 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 17 |
| 08***08 | Grommet,(Without Beacon Lamp) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Floor Mat (Rops Cab)(#28001-)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 12 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 6 |
| 01***19 | Washer | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Front Rear Window And Seal (Rops Cab)(#25001-28000)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 8 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Front Rear Window And Seal (Rops Cab)(#28001-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 5 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 5 |
| 09***28 | Strip,Weather | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Front? Rear Window And Floor Mat (Steel Cab)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 16 |
| 01***19 | Screw | 16 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 32 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Head Guard
| 01***45 | Bolt,(For Slag Handling) | 8 |
| 01***55 | Bolt,(For Long Track) | 4 |
| 01***75 | Bolt,Dust | 20 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Inching Pedal (1/2) (For Brake Linkage Inching Control)(#28001-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
| 01***07 | Nut,L.H. Thread (D31s) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Inching Pedal (2/2) (For Brake Linkage Inching Control)(#28001-)
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Operator'S Seat? With Suspension(#25001-28000)
| 01***25 | Bolt,(For Automatic) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Operator'S Seat? With Suspension(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 5 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 5 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Parking Brake Lever (For Brake Linkage Inching Control)(#28001-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***35 | Bolt,(For Position Fixing) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Perforated Engine Cover(#25003-)
| 11***10 | Cover,L.H | 1 |
| 11***20 | Cover,R.H | 1 |
| 13***90 | Knob | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Radiator Grille Specification (Except Japan)(#28001-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Radiator Grille? Jungle Specification (Except Japan)(#25001-28000)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Rops Cab And Mounting(#25001-28000)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt,(With Center Guard) | 16 |
| 01***45 | Bolt,(For 60ton Dump Body) | 18 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Rops Cab And Mounting(#28001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt,(With Center Guard) | 16 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 18 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Rops Canopy
| 01***40 | Bolt,(For Center Guard) | 16 |
| 01***45 | Bolt,(For Slag Handling) | 18 |
| 01***65 | Bolt - Battery Box | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steel Cab And Mounting
| 01***35 | Bolt, Hydraulic Tank Mounting | 8 |
| 01***40 | Bolt,(With Center Guard) | 8 |
| 01***60 | Bolt,(For Ripper) | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Control Lever (1/4)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Screw | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Control Lever (2/4)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***06 | Nut? L.H. Thread,L.H. Thread (For Chinese) | 2 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Control Lever (3/4)(#25001-28000)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***35 | Bolt,(For Position Fixing) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Control Lever (3/4)(#28001-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***35 | Bolt,(For Position Fixing) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Control Lever (4/4)(#25001-28000)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Control Lever (4/4)(#28001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Steering Pedal And Linkage(For Brake Linkage Inching Control(#28001-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Strengthened Lower Guard(#25003-)
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 2 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 2 |
| 07***18 | Plug,(With Extinguisher) (D31p) | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Swing Drawbar(#25003-)
| 01***55 | Bolt, Strut Mounting - To Radiator And Rear Frame | 14 |
| 01***60 | Washer | 14 |
| 04***12 | Pin,Cotter (For Ripper) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Vandalism Protection(#25001-28000)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Optional Parts : Vandalism Protection(#28001-)
| 01***23 | Plain Washer | 1 |
| 07***20 | Cap Ass'Y,(For Vandalism Protection) | 1 |
| 09***00 | Lock,(With Vandalism Protection) | 1 |
Steering System And Final Drive
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Bevel Gear And Shaft
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 8 |
| 01***10 | Nut,(Dust?Drip Proof? Trimming S.) | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Brake Band
| 01***35 | Bolt,(For Pedal Steering) | 8 |
| 01***42 | Washer,Spring (For Pedal Steering) | 8 |
| 01***23 | Washer | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Final Drive Gear
| 01***30 | Bolt,(For France Noise Suppression) | 36 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
| 01***08 | Screw | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Final Drive Housing
| 01***30 | Bolt,Radio Controlled Slag Handling | 12 |
| 01***40 | Bolt,(For Center Guard) | 36 |
| 01***70 | Bolt - Thrust Plate Mounting | 10 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Parking Brake Lever(#25001-28000)
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***35 | Bolt,(Without Auto Priming System) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Parking Brake Lever(#28001-)
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Sprocket And Shaft
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 8 |
| 01***13 | Nut - Cylinder Mounting | 24 |
| 01***36 | Washer,Radio Controlled Slag Handling | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Steering Case And Main Frame
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 30 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 38 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Steering Case Cover(#25001-28000)
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 38 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Steering Case Cover(#28001-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 26 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Steering Clutch
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***05 | Bolt (M10-1.50x105) | 8 |
| 01***10 | Nut,(For Slag Handling) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Steering Pedal And Linkage
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Steering System And Final Drive : Steering Valve And Piping
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 3 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
| 01***30 | Bolt,(For France Noise Suppression) | 6 |
Tool And Kit
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Tool And Kit : Spare Parts And Accessory (Except Japan)(#25001-28000)
| 04***50 | V-Belt,(For Large Pulley) | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***22 | O-Ring,(See Fig.Y1852-01a0) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Tool And Kit : Tool
| 07***00 | Pump,Grease | 1 |
| 07***00 | Cartridge,Grease | 1 |
| 07***22 | Nozzle, Grease Pump | 1 |
Track
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Carrier Roller
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***40 | Bolt,(Not Used With Cab) | 8 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Idler
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 8 |
| 01***10 | Nut,(Fig.F2820-01a3-12) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Recoil Spring
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***40 | Bolt,(For Center Guard) | 20 |
| 01***45 | Bolt,(For Slag Handling) | 20 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Track Frame(#25001-28000)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 52 |
| 01***30 | Bolt,(For Center Guard) | 16 |
| 01***40 | Bolt,(For Center Guard) | 60 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Track Frame(#28001-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***30 | Bolt,(For Center Guard) | 16 |
| 01***40 | Bolt,(For Center Guard) | 56 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Track Roller
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***45 | Bolt,(For Slag Handling) | 48 |
| 01***50 | Bolt, Radiator To Frame | 40 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Track Shoe (Lubricate Type)(#29001-)
| 01***20 | Nut,Shoe (Kit) | 362 |
| 11***10 | Shoe Bolt And Nut K.,(Except Swamp) | 1 |
| 11***11 | Bolt? Shoe,Track (Kit) | 362 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Track Shoe (Master Pin Type)(#25001-29000)
| 01***20 | Nut,Shoe (Kit) | 674 |
| 11***10 | Shoe Bolt And Nut K.,(Except Swamp) | 1 |
| 11***81 | Shoe,Track | 82 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Track : Track Shoe (Master Pin Type)(#29001-)
| 01***20 | Nut,Shoe (Kit) | 378 |
| 11***10 | Shoe Bolt And Nut K.,(Except Swamp) | 1 |
| 11***11 | Bolt? Shoe,Track (Kit) | 378 |
Work Equipment
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment : Angle Tilt Blade(#25001-28000)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***25 | Bolt - Rear Guard Mounting | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment : Angle Tilt Blade(#28001-)
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
| 02***50 | Bolt | 22 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment : Angle Tilt Frame(#25001-28000)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 9 |
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***25 | Bolt - Rear Guard Mounting | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment : Angle Tilt Frame(#28001-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***35 | Bolt,(For Pedal Steering) | 2 |
Work Equipment Control System
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Blade Angle Cylinder
| 04***20 | Ring, Retaining | 1 |
| 04***20 | Ring, Snap | 4 |
| 07***95 | O-Ring,(Y1620-11a0a-12) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Blade Control Lever
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 5 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Blade Lift Cylinder
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Blade Tilt Cylinder(#25001-28000)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Blade Tilt Cylinder(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
| 01***16 | Washer,(For Shipping Parts) | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Control Valve (1/2)
| 01***20 | Screw | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 6 |
| 01***30 | Bolt | 4 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Control Valve (2/2)(#25001-28000)
| 01***40 | Bolt,See Fig. K4010-64a0 | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Control Valve (2/2)(#28001-)
| 01***40 | Screw | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 07***32 | O-Ring,Drain Plug? Main Clutch | 1 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Filter And Piping(#25001-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 11 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Filter And Piping(#28001-29153)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 7 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Filter And Piping(#29154-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 7 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 10 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Pump - Valve)
| 01***40 | Bolt,(For Position Fixing) | 2 |
| 01***55 | Bolt,(For Trimming Dozer) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Angle Cylinder)(#25001-25412)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 6 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Angle Cylinder)(#25413-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Angle Cylinder)(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Lift Cylinder)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***11 | Nut,(With Under Mirror) | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 3 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Tilt Cylinder)(#25001-25412)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***09 | Nut,(With Body Positioner) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Tilt Cylinder)(#25413-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***09 | Nut,(With Body Positioner) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping (Valve - Tilt Cylinder)(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***09 | Nut,(With Body Positioner) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping Cover (#28001- )(#28001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 10 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping Cover(#25001-25412)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 16 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Oil Piping Cover(#25413-28000)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 11 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : D31p-16a(S/N 25001-Up (Power Angle Tilt Dozer)) : Work Equipment Control System : Hydraulic Pump
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 04***18 | Ring, Snap | 1 |
D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) serial number reference
The PIN/serial plate is located on the front frame casting, typically near the operator's left side by the radiator support. To read the prefix, identify the first character(s) of the model designation (e.g., 'D' for Crawler Dozer) and match it against the machine's chassis plate.
| Prefix | Identifies | Notes |
|---|---|---|
| D | D31P-16A (Power Angle Tilt Dozer) | Family code for Crawler Dozer. Serial range 25001-UP. Powered by Komatsu 4D105-3 engine (4-cylinder, 63 HP / 47.0 kW at 2350 RPM). Hydrostatic (HS) transmission with 3 forward and 3 reverse gears. Origin: Japan. |
Frequently asked questions
What engine powers the D31P-16A?
The machine is equipped with a Komatsu 4D105-3, a 4-cylinder engine with a displacement of 264.3 cu in (4.4 L), delivering 63 hp at 2350 rpm.
What is the operating weight of this model?
The operating weight for the D31P-16A (S/N 25001-UP) is 14,881.3 lb (6750 kg).
What replaced this machine?
Specific successor model information for the -16A series is not documented in the provided technical literature; however, it belongs to the D31 lineage of Komatsu crawler tractors.
What D31P-16A(S/N 25001-UP (Power Angle Tilt Dozer)) owners discuss
What are the common causes of steering failure or erratic performance on the D31P-16A?
Steering issues often stem from air locks in hydraulic circuits or clogged transmission strainers. If one track pulls more than the other, inspect for air trapped in the lines or check if the steering clutch is slipping due to insufficient pressure. Additionally, worn linkage rods, yokes, pins, or cam followers can cause inconsistent steering performance. If the machine drives through the brakes, verify that brake bands are properly adjusted and not engaging before the clutches release.
How should I troubleshoot a loss of hydraulic flow to the steering clutches?
If there is no oil flow when operating the pedals, check for air locks in the hydraulic hoses feeding the clutch caliper or slave cylinders. Inspect the transmission strainer/screen for blockages. If the transmission pump appears to be sucking air, inspect the shaft seal on the transmission pump for wear. Verify that the steering valve is functioning by cracking lines with a pan underneath to observe flow direction during spool movement.
What are the typical engine and electrical fault indicators for this series?
The machine may display specific error codes: E03 indicates a swing parking brake system alert; E10 signifies engine controller power failure or circuit malfunction; E11 indicates general engine control system failure; E14 relates to feedback system abnormalities; and E15 points to sensor faults in temperature, fuel, or oil pressure. For the 4D 105-3 engine, monitor for any sudden loss of power or difficulty starting after shutdown.
What undercarriage wear patterns should be monitored during inspections?
Regularly inspect the 6 track rollers per side and the idler condition. Monitor track pitch for significant increases, which indicates pin and bushing wear. In muddy or abrasive environments, check dust seals between track links and pins to prevent premature degradation. Ensure debris is cleared from the roller area to prevent buildup.
What are the primary hydraulic and transmission maintenance requirements?
Maintain hydraulic oil cleanliness to protect the hydrostatic (HS) transmission. The hydraulic system capacity is approximately 45 L (12 U.S. gal). Regularly clean the hydraulic oil tank strainer/screen every 250 hours. For the transmission, inspect oil levels at 250-hour intervals and perform a full oil change every 2,000 hours. If the transmission oil appears perpetually frothy, investigate potential air ingestion through seals or lines.
What should I check when buying a used D31P-16A (S/N 25001-UP)?
Verify the exact serial number on the machine plate to ensure parts compatibility. Inspect the hydraulic tilt cylinder for signs of internal seal failure or rod damage, as uneven blade tilting can be caused by worn piston seals or incorrect linkage lengths. Check the transmission and bevel case dipsticks for proper levels and look for evidence of oil leaks into the steering area. Finally, confirm that the machine does not 'drive through the brakes' under load.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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