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Cat 330 vs Komatsu PC450-8

The Komatsu PC450-8 is the heavier machine, at 44.4 t against 31.4 t, and the Komatsu PC450-8 has more power (257 kW against 193.8 kW).

The Cat 330 is ahead on: turns tighter, lower to transport. The Komatsu PC450-8 is ahead on: more power, digs deeper, reaches further, dumps higher, bigger bucket or body, bigger fuel tank.

Below, every figure both makers publish sits side by side, with the Cat 330 and the Komatsu PC450-8 drawn to the same scale from their dimension drawings.

  1. Cat · excavator

    Cat 330

    Full specsPDF

  2. Komatsu · excavator

    Komatsu PC450-8

    Full specsPDF

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At a glance

Bold is the machine ahead on each figure, with its lead.

FigureCat 330Komatsu PC450-8
Operating weight31,400 kg44,350 kg
Net powerHigher is better193.8 kW257 kW+33%
Max digging depthHigher is better7.25 m7.345 m+1%
Max reach at ground levelHigher is better10.69 m11.23 m+5%
Max dumping heightHigher is better6.94 m7.08 m+2%
Bucket capacityHigher is better1.8 m³3.5 m³+94%
Fuel tankHigher is better474 L650 L+37%
Tail swing radiusLower is better3.13 m+14%3.645 m
Overall height (to top of cab)Lower is better3.06 m+6%3.25 m
Overall length10.42 m11.995 m

All specifications

Every figure the makers publish. Search for one, or show only those that differ.

Dimensions

Overall height (to top of cab)3.06 m3.25 m
Handrail height3.06 mNot published
Overall length10.42 m11.995 mTransport length with 2.9 m stick
Tail swing radius3.13 m3.645 m
Ground clearance, counterweight1.12 m1.32 m
Ground clearance (minimum)0.49 m0.685 m
Track length4.86 m5.055 mPC450-8; 5.355 m on PC450LC-8
Track length on ground3.99 m4.02 m
Track gauge2.59 m2.89 m
Overall width3.39 mNot published
Shoe width0.8 m0.6 m
Overall width of upperstructureNot published2.995 m
Height over engine hoodNot published2.92 m
Width of crawlerNot published3.49 m
Overall height (to top of boom)Not published3.745 mTransport height with 2.9 m stick

Performance

Max digging depth7.25 m7.345 m
Max reach at ground level10.69 m11.23 m
Max digging height10 m10.285 m
Max dumping height6.94 m7.08 m
Min loading height2.29 mNot published
Max depth cut for 2,440 mm level bottom7.09 mNot published
Max vertical wall digging depth5.79 m5.7 m
Bucket capacity1.8 m³HD bucket3.5 m³
Bucket digging force179 kN26,100 kgfISO, 28,000 kgf with PowerMax
Arm digging force126 kN24,400 kgf
Swing speed11.5 r/min0-9 rpm
Max swing torque110 kN·m132 kNm
Travel speed (low / mid / high)Not published3.0 / 4.4 / 5.5 km/h
Travel speed (high)Not published5.5 km/h
Max traction forceNot published34,000 kgf
GradeabilityNot published70% (35 deg)

Weight

Operating weight31,400 kg44,350 kg
Operating weight rangeNot published44,350 - 45,190 kg
Ground pressureNot published0.84kg/cm2 with 600 mm shoes

Engine

Engine modelCat C7.1Komatsu SAA6D125E-5
EmissionsEmits equivalent to U.S. EPA Tier 3 and EU Stage IIIAEU Stage IIIA / EPA Tier III
Net power193.8 kW (260 hp)ISO 9249, at 2,000 rpm257 kW (349 PS)ISO 9249, at 1,900 rpm
Net power (DIN)263 hp (metric)ISO 9249 (DIN)Not published
Gross power195 kW (261 hp)ISO 14396263 kW (358 PS)ISO 14396, at 1,900 rpm
Gross power (DIN)265 hp (metric)ISO 14396 (DIN)Not published
Bore105 mmNot published
Stroke135 mmNot published
Displacement7 L11 L
Biodiesel capabilityUp to B20Not published
CylindersNot published6

Hydraulics

Pump flow560 L/minMain system, maximum flow2 x 345 L/min
Max pressure35 000 kPaEquipment380 bar
Max pressure, equipment (lift mode)38 000 kPaNot published
Max pressure, travel35 000 kPaNot published
Max pressure, swing29 800 kPaNot published

Service capacities

Fuel tank474 L650 L
Cooling system25 L34 L
Engine oil25 L38 L
Swing drive (each)10 LNot published
Final drive (each)5.5 LNot published
Hydraulic system, with tank310 LNot published
Hydraulic tank147 L248 L
Final drive oil, each sideNot published12 L

Service intervals

Engine oil and filter1,000 hoursNot published
Fuel filters1,000 hoursNot published
Swing drive oil1,000 hoursFirst change at 500 h13.4 L
Final drive oil2,000 hoursEach side; first change at 500 hNot published
Hydraulic return filter3,000 hoursNot published
Hydraulic oil6,000 hoursNot published
Coolant12,000 hoursNot published
Boom and stick linkage grease500 hoursDaily for the first 50 hNot published
Bucket linkage grease100 hoursDaily for the first 50 hNot published

Working range

Max digging depth, 2.44 m flat bottomNot published7.155 m
Max digging reachNot published11.445 m
Min front swing radiusNot published4.81 m

Sources: Cat 330 Hydraulic Excavator (Tier 3) brochure AEXQ2461-05 (2024, build 07F) · Komatsu PC450-8 / PC450LC-8 / PC450LC-8 HD brochure, German edition (Machine.Market copy)

Drawn to scale

Side views measured off each maker's dimension drawing, front edges and ground lined up.

0 m1 m2 m3 m4 m5 m6 m7 m8 m9 m10 m11 m
Cat 330Komatsu PC450-8Same scale, front edges and ground lined up.

Cat 330 vs Komatsu PC450-8: questions

Which is bigger, the Cat 330 or Komatsu PC450-8?

By operating weight the Komatsu PC450-8 is the biggest at 44.4 t, then the Cat 330 at 31.4 t.

Which has more power, the Cat 330 or Komatsu PC450-8?

The Komatsu PC450-8: Cat 330 193.8 kW (260 hp), Komatsu PC450-8 257 kW (349 PS) (net power), a 33% difference.

Which digs deeper, the Cat 330 or Komatsu PC450-8?

The Komatsu PC450-8: Cat 330 7.25 m, Komatsu PC450-8 7.345 m (max digging depth), a 1% difference.

Which reaches further, the Cat 330 or Komatsu PC450-8?

The Komatsu PC450-8: Cat 330 10.69 m, Komatsu PC450-8 11.23 m (max reach at ground level), a 5% difference.

Which has the bigger bucket, the Cat 330 or Komatsu PC450-8?

The Komatsu PC450-8: Cat 330 1.8 m³, Komatsu PC450-8 3.5 m³ (bucket capacity), a 94% difference.

Which has the bigger fuel tank, the Cat 330 or Komatsu PC450-8?

The Komatsu PC450-8: Cat 330 474 L, Komatsu PC450-8 650 L (fuel tank), a 37% difference.

Which turns tighter, the Cat 330 or Komatsu PC450-8?

The Cat 330: Cat 330 3.13 m, Komatsu PC450-8 3.645 m (tail swing radius), a 14% difference.

Where do these figures come from?

Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.

Can I rent or buy these machines in the UAE?

Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.

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