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Cat 320 vs Komatsu PC210

The Cat 320 is the heavier machine, at 21.3 t against 20.5 t, and the Komatsu PC210 has more power (123 kW against 117 kW).

The Cat 320 is ahead on: digs deeper, reaches further, bigger bucket or body, more digging or pushing force, turns tighter, lower to transport. The Komatsu PC210 is ahead on: more power, dumps higher, more hydraulic flow, bigger fuel tank, narrower to transport.

Below, every figure both makers publish sits side by side, with the Cat 320 and the Komatsu PC210 drawn to the same scale from their dimension drawings.

  1. Cat · excavator

    Cat 320

    Full specsPDF

  2. Komatsu · excavator

    Komatsu PC210

    Full specsPDF

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At a glance

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

FigureCat 320Komatsu PC210
Operating weight21,300 kg20,500 kg
Net powerHigher is better117 kW123 kW+5%
Max digging depthHigher is better6.72 m+3%6.515 m
Max reach at ground levelHigher is better9.86 m+2%9.68 m
Max dumping heightHigher is better6.49 m7.16 m+10%
Bucket capacityHigher is better1.19 m³+19%1 m³
Bucket digging forceHigher is better150 kN+1%149 kN
Pump flowHigher is better429 L/min475 L/min+11%
Fuel tankHigher is better345 L400 L+16%
Tail swing radiusLower is better2.83 m+2%2.9 m
Overall widthLower is better2.98 m2.8 m+6%
Overall height (to top of cab)Lower is better2.96 m+3%3.045 m
Overall length9.53 m9.55 m

All specifications

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

Dimensions

Overall height (to top of cab)2.96 m3.045 m
Handrail height2.95 mNot published
Overall length9.53 m9.55 m
Tail swing radius2.83 m2.9 m
Ground clearance, counterweight1.05 m1.085 m
Ground clearance (minimum)0.47 m0.44 m
Track length4.45 m4.07 m
Track length on ground3.65 m3.275 m
Track gauge2.38 m2.2 m
Overall width2.98 m2.8 m
Shoe width0.6 m0.6 m
Length on ground (transport)Not published4.825 m
Overall height (to top of boom)Not published3.005 m
Width of crawlerNot published2.8 m
Grouser heightNot published0.026 m
Machine cab heightNot published2.095 m
Machine cab widthNot published2.71 m
Swing centre to rear endNot published2.86 m

Performance

Max digging depth6.72 m6.515 m
Max reach at ground level9.86 m9.68 m
Max digging height9.37 m10.065 m
Max dumping height6.49 m7.16 m
Min loading height2.17 mNot published
Max depth cut for 2,440 mm level bottom6.55 mNot published
Max vertical wall digging depth5.19 m5.81 m
Bucket capacity1.19 m³HD bucket1 m³
Bucket digging force150 kN149 kN
Arm digging force106 kN108 kN
Swing speed11.3 r/min12.4 min-1
Max swing torque82 kN·mNot published
Bucket digging force (SAE)Not published132 kN
Arm digging force (SAE)Not published103 kN
Travel speed (high)Not published5.5 km/hAuto-shift; mid 4.1 km/h, low 3.0 km/h
Max drawbar pullNot published178 kN18,200 kgf
GradeabilityNot published35°70%

Weight

Operating weight21,300 kg20,500 kg
Operating weight (700 mm shoes)Not published20,900 kg
Operating weight (800 mm shoes)Not published21,100 kg
Operating weight (500 mm shoes)Not published20,400 kg
Ground pressureNot published46.8 kPaPC210-10M0, 600 mm shoes; 0.48 kgf/cm2

Engine

Engine modelCat C7.1Komatsu SAA6D107E-1
EmissionsMeets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIAEU Stage 3A emission equivalent
Net power117 kW (157 hp)ISO 9249, at 1,800 rpm123 kW (165 HP)
Net power (DIN)159 hp (metric)ISO 9249 (DIN)Not published
Gross power118 kW (158 hp)ISO 14396123 kW (165 HP)SAE J1995, at 2000 min-1
Gross power (DIN)160 hp (metric)ISO 14396 (DIN)Not published
Bore105 mm107 mm
Stroke135 mm124 mm
Displacement7 L6.7 L
Biodiesel capabilityUp to B20Not published
CylindersNot published6

Hydraulics

Pump flow429 L/minMain system, maximum flow475 L/min
Max pressure35 000 kPaEquipment37.3 MPa (380 kgf/cm2)
Max pressure, equipment (lift mode)38 000 kPaNot published
Max pressure, travel34 300 kPaNot published
Max pressure, swing27 500 kPa28.9 MPa (295 kgf/cm2)Relief valve setting
Working modesNot published6Selectable working modes

Service capacities

Fuel tank345 L400 L
Cooling system25 L21.8 LCoolant
Engine oil25 L23.1 LRefill capacity ("Engine")
Swing drive (each)6 LNot published
Final drive (each)5 L3.3 L
Hydraulic system, with tank234 LNot published
Hydraulic tank115 L135 L
Swing driveNot published5.3 L

Service intervals

Engine oil and filter1,000 hoursNot published
Fuel filters1,000 hoursNot published
Swing drive oil1,000 hoursFirst change at 500 hNot published
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
Hydraulic oil filterNot published2,500 hoursKomatsu: 2.5 times the earlier 1,000 h

Working range

Max digging reachNot published9.86 m
Min front swing radiusNot published2.99 m

Undercarriage

Track rollers (each side)Not published7PC210-10M0 (LC: 9)
Carrier rollers (each side)Not published2
Track shoes (each side)Not published45PC210-10M0 (LC: 49)

Sources: Cat 320 Hydraulic Excavator (Tier 3) brochure AEXQ2332-09 (2024, build 07G) · Komatsu PC210/210LC-10M0 brochure CEN00820-03 (Komatsu Middle East)

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 m
Cat 320Komatsu PC210Same scale, front edges and ground lined up.

Cat 320 vs Komatsu PC210: questions

Which is bigger, the Cat 320 or Komatsu PC210?

By operating weight the Cat 320 is the biggest at 21.3 t, then the Komatsu PC210 at 20.5 t.

Which has more power, the Cat 320 or Komatsu PC210?

The Komatsu PC210: Cat 320 117 kW (157 hp), Komatsu PC210 123 kW (165 HP) (net power), a 5% difference.

Which digs deeper, the Cat 320 or Komatsu PC210?

The Cat 320: Cat 320 6.72 m, Komatsu PC210 6.515 m (max digging depth), a 3% difference.

Which reaches further, the Cat 320 or Komatsu PC210?

The Cat 320: Cat 320 9.86 m, Komatsu PC210 9.68 m (max reach at ground level), a 2% difference.

Which has the bigger bucket, the Cat 320 or Komatsu PC210?

The Cat 320: Cat 320 1.19 m³, Komatsu PC210 1 m³ (bucket capacity), a 19% difference.

Which has the bigger fuel tank, the Cat 320 or Komatsu PC210?

The Komatsu PC210: Cat 320 345 L, Komatsu PC210 400 L (fuel tank), a 16% difference.

Which turns tighter, the Cat 320 or Komatsu PC210?

The Cat 320: Cat 320 2.83 m, Komatsu PC210 2.9 m (tail swing radius), a 2% difference.

Which is narrower to transport, the Cat 320 or Komatsu PC210?

The Komatsu PC210: Cat 320 2.98 m, Komatsu PC210 2.8 m (overall width), a 6% 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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