Komatsubulldozersmall ( - d39)
Komatsu D31PL-16(S/N 25001-UP (Incl. D31PLL-16))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D31PL-16 (S/N 250::01-UP, including D31PLL-16) is a compact crawler dozer designed for utility earthmoving. This series features the 4D105-3 engine with a displacement of 264.3 cu in (4331.1 cc), producing 63 hp (47.0 kW) at 2350 rpm. The machine operates within a weight class of approximately 15,542.6 lb (7050.0 kg). It utilizes a hydrostatic (HS) transmission with 3 forward and 3 reverse gears. This configuration is part of the D31 series lineage, offering specialized LGP or wide-track capabilities for low ground pressure applications.
The -16 series represents a specific generation in the D31 evolution, characterized by its integrated hydraulic systems and efficient engine tuning. In today's used equipment market, this machine is valued for its compact footprint and reliability in light construction and landscaping. Maintenance of the hydrostatic drive and 4D105-3 engine remains critical for preserving resale value. Availability of parts for the D31PL-16 chassis and 4D100-3 components is essential for operators managing older fleet units where hydraulic efficiency and fuel economy are primary operational goals.
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 D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) specifications
Engine
| Engine Model | 4D105-3 |
| Number of Cylinders | 4 |
| Gross Power | 63 hp (47.0 kW) |
| Power Measured @ | 2350 rpm |
| Displacement | 264.3 cu in (4,331.1 cc / 4.4 L) |
Weights
| Operating Weight | 15,542.6 lb (7,050 kg) |
Dimensions
| Length w/ Blade | 12.72 ft in (3875 mm) |
| Length w/o Blade | 9.95 ft in (3030 mm / 304.8 cm) |
| Width Over Tracks | 9.68 ft in (2950 mm / 295.7 cm) |
| Height To Top of Cab | 8.6 ft in (2620 mm / 262.1 cm) |
| Ground Clearance | 1.27 ft in (385 mm / 39.6 cm) |
| Length of Track on Ground | 7.17 ft in (2185 mm / 219.5 cm) |
Undercarriage
| Track Gauge | 6.24 ft in (1900 mm / 192.0 cm) |
| Standard Shoe Size | 41.34 in (1050 mm / 105.2 cm) |
| Number of Shoes Per Side | 41 |
| Number of Track Rollers Per Side | 6 |
| Track Pitch | 6.07 in (154 mm / 15.5 cm) |
Performance
| Transmission Type | Hydrostatic (HS) |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 3 |
Blades
| Standard Blade Width | 11.1 ft in (3380 mm) |
| Standard Blade Height | 21.5 in (545 mm / 55 cm) |
Service Capacities
| Hydraulic Oil Capacity | 45 L (12 U.S. Gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase (w/ filter) | Not specified | Not to be determined without OEM documentation |
| Hydraulic System/Tank | 45 L (12 U.S. Gal) | Not specified |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor the 45 L (12 U.S. Gal) hydraulic oil reservoir regularly. Use specialized oil and wear analysis to detect internal engine or hydraulic component degradation. Inspect fuel pre-filters for water accumulation to prevent 4D105-3 injector damage. Regularly check transmission pump seals; air ingress through worn shafts can cause hydrostatic performance loss and erratic steering response.
Corrective & Common Repairs
Address steering pedal resistance or unresponsive clutch/brake bands by inspecting the hydraulic lines feeding the slave cylinders. If steering becomes jerky, check for airlocks in the transmission pump or steering valve return lines. For engine power loss, inspect the hydraulic system and fuel delivery. Ensure all electrical connections to sensors and solenoids are free from corrosion to prevent fault code triggers.
Overhaul & Rebuild Points
Plan for major undercarriage rebuilds when track shoe thickness or pitch exceeds wear limits on the 41-shoe per side assembly. Engine overhauls should focus on the 4D105-3 cylinder head and valve train components. When rebuilding the hydrostatic transmission, inspect all internal gears and shaft seals to prevent oil loss. Evaluate the hydraulic control valve for spool wear if float or tilt functions lose precision.
Seasonal & Environment Servicing
In high-dust environments, increase frequency of air cleaner inspections and radiator cleaning to prevent 4D105-3 overheating. During winter operations, verify hydraulic oil viscosity and ensure the heating system is functional for cold starts. For muddy or wet terrain, clean the undercarriage daily to prevent debris buildup between track rollers and shoes, which accelerates wear on the 6-roller per side assembly.
D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) 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.
D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power malfunction | Faulty ECM power connections, blown fuses, or improper ground wiring | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine protection—output power reduced | High coolant temperature, low oil pressure, or restricted air filter | Check coolant temperature, oil pressure, and air filter condition |
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring harness damage, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA451 / CA452 | Common rail pressure error | Malfunctioning fuel rail pressure sensor or issues in pump lines | Diagnose the fuel rail pressure sensor or inspect pump lines |
| CA441 / CA442 | Battery voltage too low / too high | Alternator failure, depleted battery, or faulty voltage regulator | Replace the alternator or battery; check the voltage regulator |
| AA10NX | Air cleaner clogging | Excessive dust accumulation in the air filter element | Replace the air filter |
| DW43KA / DW43KB | Travel speed solenoid open/short circuit | Electrical short or open circuit in the travel speed control solenoid | Replace the solenoid valve |
| B@BCZK | Coolant level too low | System leak or insufficient coolant replenishment | Fill coolant and inspect system for leaks |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) attachments & work tools
Blades
Standard blade width is 11.1 ft (3380 mm) with a height of 21.5 in (545 mm).
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
Control valve is double, spool type, positioned to raise, hold, lower, and float. Tilt functions include Right hold and Left tilt; hydraulic oil tank is equipped with an external control valve located on the right side of the operator's seat.
All D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) assemblies by section
Every catalogued assembly group for the Komatsu D31PL-16(S/N 25001-UP (Incl. D31PLL-16)). 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Damper And Transmission : Inching Pedal(#25001-26504)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***35 | Screw | 1 |
| 01***20 | Screw | 1 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Damper And Transmission : Inching Pedal(#26505-)
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***35 | Screw | 1 |
| 01***20 | Screw | 1 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Damper And Transmission : Reverse Housing
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***12 | Washer,Holder | 1 |
| 04***00 | Key | 1 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Damper And Transmission : Selector And Inching Valve(#25001-26504)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Damper And Transmission : Selector And Inching Valve(#26505-)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 5 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 3 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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,(F4350-63a0 -20 ), O-Ring | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Battery
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***18 | Bolt | 1 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 8 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Engin Mounting Parts
| 01***20 | Bolt,Front (Except Japan) | 4 |
| 07***09 | Clamp,(With Cylinder Cover) | 6 |
| 11***10 | Cushion | 8 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Fuel Tank And Piping? With Add. Fuel Filter (Except Japan)(#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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Fuel Tank And Piping? With Fuel Strainer (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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Oil Cooler And Piping(#25001-25002)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Oil Cooler And Piping(#25003-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 11 |
| 01***70 | Bolt, Spacer | 4 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 10 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 16 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
Guard
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Cross Bar
| 01***50 | Bolt, Fuel Tank Mounting - Front Left | 36 |
| 01***60 | Flat Washer - M20 (Hardened) | 36 |
| 04***42 | Pin,Dowel? Gear Case Cover | 4 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (English)(#28001-28796)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (English)(#28797-)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (French)(#28001-28796)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (French)(#28797-)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (German)(#28001-28796)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (German)(#28797-)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (Spanish)(#28001-28796)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Mark And Plate (Spanish)(#28797-)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Guard : Radiator Guard And Hood(#25001-25002)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Optional Parts : Head Guard
| 01***45 | Bolt,(For Slag Handling) | 8 |
| 01***55 | Bolt,(For Long Track) | 4 |
| 01***75 | Bolt,Dust | 20 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Optional Parts : Inching Pedal (2/2) (For Brake Linkage Inching Control)(#28001-)
| 01***35 | Bolt,(For Position Fixing) | 2 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Optional Parts : Lining Blade
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 21 |
| 01***36 | Washer,Radio Controlled Slag Handling | 21 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 21 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Optional Parts : Operator'S Seat? With Suspension(#28001-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 11***90 | Hinge (Welded) | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Optional Parts : Perforated Engine Side Cover(#25003-)
| 11***10 | Cover,L.H | 1 |
| 11***20 | Cover,R.H | 1 |
| 13***90 | Knob | 4 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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) | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Steering System And Final Drive : Final Drive Housing
| 01***30 | Bolt,Radio Controlled Slag Handling | 24 |
| 01***40 | Bolt,(For Center Guard) | 36 |
| 01***70 | Bolt - Thrust Plate Mounting | 10 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Steering System And Final Drive : Steering Clutch (D31pll)(#28653-)
| 01***25 | Bolt - Rear Guard Mounting | 24 |
| 01***10 | Nut,(For Slag Handling) | 2 |
| 01***36 | Washer,Radio Controlled Slag Handling | 24 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Tool And Kit : Kit
| 01***12 | Washer,Holder | 1 |
| 04***10 | Lock,Holder | 1 |
| 07***08 | O-Ring,(F2320-53a3 -38 ) | 5 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Tool And Kit : Spare Parts And Accessory Table (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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Tool And Kit : Tool(#25001-28000)
| 07***00 | Pump,Grease | 1 |
| 07***00 | Cartridge,Grease | 1 |
| 07***22 | Nozzle, Grease Pump | 1 |
Track
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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) | 24 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Track : Track Frame(#25001-28000)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***30 | Bolt,(For Center Guard) | 16 |
| 01***40 | Bolt,(For Center Guard) | 64 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Track : Track Frame(#28001-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 22 |
| 01***30 | Bolt,(For Center Guard) | 16 |
| 01***40 | Bolt,(For Center Guard) | 60 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Track : Track Roller
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***45 | Bolt,(For Slag Handling) | 112 |
| 01***50 | Bolt, Radiator To Frame | 48 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Track : Track Shoe (Lubricate Type)(#29001-)
| 01***20 | Nut,Shoe (Kit) | 714 |
| 11***20 | Link,Track? L.H | 166 |
| 11***30 | Link,Track? R.H | 166 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Track : Track Shoe (Master Pin Type)(#25001-29000)
| 01***20 | Nut,Shoe (Kit) | 746 |
| 11***21 | Link,Track? L.H | 174 |
| 11***31 | Link,Track? R.H | 174 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Track : Track Shoe (Master Pin Type)(#29001-)
| 01***20 | Nut,Shoe (Kit) | 746 |
| 11***72 | Seal,Dust? Regular? W-Type | 332 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
Work Equipment
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment : Tilt Blade
| 01***80 | Bolt, Cushion Mounting | 1 |
| 01***50 | Bolt, Radiator To Frame | 16 |
| 01***11 | Nut,(For Center Guard) | 1 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment : Tilt Blade Linkage
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***40 | Bolt,(For Center Guard) | 6 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment : Tilt Frame
| 01***30 | Bolt,(For Center Guard) | 2 |
| 01***50 | Bolt, Radiator To Frame | 12 |
| 01***45 | Screw | 2 |
Work Equipment Control System
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Blade Tilt Cylinder
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Control Lever
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Control Valve (1/2)
| 01***20 | Screw | 2 |
| 01***25 | Bolt, Seal Cover Mounting | 4 |
| 01***30 | Bolt | 4 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Control Valve (2/2)(#25001-28000)
| 01***40 | Bolt,See Fig. K4010-64a0 | 2 |
| 01***05 | Nut (Welded) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Control Valve (2/2)(#28001-)
| 01***40 | Screw | 2 |
| 01***05 | Nut (Welded) | 1 |
| 07***32 | O-Ring,Drain Plug? Main Clutch | 1 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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.) | 8 |
| 01***70 | Bolt, Spacer | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Filter And Piping(#25003-29037)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Filter And Piping(#29038-)
| 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Oil Piping (Pump To Valve)
| 01***40 | Bolt,(For Position Fixing) | 2 |
| 01***55 | Bolt,(For Trimming Dozer) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Oil Piping (Valve To 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 : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : Work Equipment Control System : Hydraulic Oil Piping (Valve To Tilt Cylinder)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 18 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 3 |
Komatsu : D31pl-16(S/N 25001-Up (Incl. D31pll-16)) : 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 |
D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) serial number reference
The PIN plate is located on the front frame casting, typically near the operator's left side. To read the prefix, identify the first three characters of the serial number; for this model, 'D3/D31' identifies the machine family and size class. Verify the full model designation (D31PL-16 vs D31P-16) and serial range against the plate to ensure the correct parts catalog is used.
| Prefix | Identifies | Notes |
|---|---|---|
| D31 | D31PL-16 (Incl. D31PLL-16) | Identifies the crawler dozer family and size class. The 'D' prefix denotes a crawler dozer; '31' indicates the size class. The '-16' suffix is the generation/series indicator. The 'PL' suffix denotes the Long Pitch (LGP) wide-track configuration. This serial range (25001-UP) covers the D31PL-16 and includes the D31PLL-16 variant. |
Frequently asked questions
What engine is used in the D31PL-16?
The machine is powered by a Komatsu 4D105-3 engine, featuring 4 cylinders and a displacement of 264.3 cu in (4331.1 cc).
What is the operating weight of this model?
The operating weight for the D31PL-16 is approximately 15,542.6 lb (7050.0 kg).
What replaced the D31PL-16?
Information regarding the specific successor model for this exact serial range is not documented in the provided technical sources.
What D31PL-16(S/N 25001-UP (Incl. D31PLL-16)) owners discuss
What are common causes for unresponsive or jerky steering on a D31PL-16?
Steering issues often stem from an air-locked transmission pump, a worn shaft seal on the transmission pump causing air suction, or worn components within the steering valve or clutch. Additionally, check for unadjusted brake bands or issues with the hydraulic hoses feeding the clutch caliper/slave cylinders.
What should be inspected if the blade tilt function fails to move left?
Inspect for a shortened or broken linkage rod, air trapped within the hydraulic cylinders, or worn piston seals and packing. The control valve should be checked as well; it is a double, spool type located on the right side of the operator's seat.
What are known engine-related concerns for this series?
The machine uses a 4D105-3 engine. While generally robust, users have reported instances where the engine lugs during turns, which may indicate that the clutch is not releasing fully.
What undercarriage wear patterns or specifications should be monitored?
The undercarriage features 41 shoes per side and 6 track rollers per side. Monitor for uneven wear on the 6.07 in (15.5 cm) track pitch and ensure the 6.24 ft (1900 mm) track gauge remains within spec.
What are common hydraulic system symptoms to watch for?
Symptoms include low oil flow, frothy transmission oil indicating air suction, or performance degradation due to rotted cooler lines. The hydraulic oil tank is equipped with an external control valve.
What should be checked when buying a used D31PL-16 (S/N 25001-UP)?
Verify the serial number on the front frame casting against the machine plate to ensure no tampering has occurred. For machines built since approximately 2008, use telematics systems to compare dashboard hours against recorded logs; a gap of more than ~50 hours is a significant rollback signal. Additionally, check for any mismatch between the riveted plate and the chassis-engered serial number.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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