Komatsu PC18MR-5
1,900 – 1,990 kg4,189 lb – 4,387 lbOperating weight
11.8 kW15.8 hpEngine power
2,160 – 2,360 mm7 ft 1 in – 7 ft 9 inDig depth
0.03 – 0.06 m³1.06 cu ft – 2.12 cu ftBucket capacity
Check your machine plate before ordering parts. How to find it
About the PC18MR-5
2026 European product range, Romanian edition, page 5. These are European operating weights; the Japanese domestic version uses a different machine-mass specification.
Fix a problem 6
Cranks but won't startFuel filter, glow plugs, safety lever
Hydraulics slow or weakFluid, filters, relief valve
Cold-weather startingBattery, fuel gelling, warm-up
Tracks keep coming offTension, idlers, sprockets
Upper won't swing or clunksSwing motor bolts, gear, grease
Jerky or twitchy controlsThrottle, springs, flow controls
All troubleshootingSpecifications
- Operating weight
- 1,900 – 1,990 kg (4,189 lb – 4,387 lb)
- Rated power
- 11.8 kW (15.8 hp)
- Max digging depth
- 2,160 – 2,360 mm (7 ft 1 in – 7 ft 9 in)
- Bucket capacity
- 0.03 – 0.06 m³ (1.06 cu ft – 2.12 cu ft)
- Fuel type
- Diesel
Mods for the PC18MR-5
All modsOperator cooling fanAdd a 12 V fan to move engine heat and fumes away from the seat.Fuel tank relocation & extra capacityMove a hard-to-reach tank or add capacity so you refuel less often.ThumbAdd a mechanical or hydraulic thumb to pick up rocks, logs and debris.Quick hitchSwap buckets and attachments in minutes instead of driving pins.Seat upgradeSwap the thin factory seat for a padded or suspension seat with a lap belt.LED work lightsAdd work lights for early starts, late finishes and dark sheds.
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