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Cat 320 vs Hyundai HX220S

The Cat 320 is the heavier machine, at 21.3 t against 21.3 t, and the Cat 320 has more power (117 kW against 108 kW).

The Cat 320 is ahead on: more power, digs deeper, reaches further, bigger bucket or body, more digging or pushing force, bigger fuel tank, turns tighter, narrower to transport, lower to transport. The Hyundai HX220S is ahead on: dumps higher.

Below, every figure both makers publish sits side by side, with the Cat 320 and the Hyundai HX220S drawn to the same scale from their dimension drawings.

  1. Cat · excavator

    Cat 320

    Full specsPDF

  2. Hyundai · excavator

    Hyundai HX220S

    Full specsPDF

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At a glance

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

FigureCat 320Hyundai HX220S
Operating weight21,300 kg21,260 kg
Net powerHigher is better117 kW+8%108 kW
Max digging depthHigher is better6.72 m+3%6.5 m
Max reach at ground levelHigher is better9.86 m+1%9.78 m
Max dumping heightHigher is better6.49 m6.99 m+8%
Bucket capacityHigher is better1.19 m³+29%0.92 m³
Bucket digging forceHigher is better150 kN+15%130 kN
Fuel tankHigher is better345 L+1%340 L
Tail swing radiusLower is better2.83 m+1%2.845 m
Overall widthLower is better2.98 m2.99 m
Overall height (to top of cab)Lower is better2.96 m+2%3.035 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 m3.035 m
Handrail height2.95 mNot published
Overall length9.53 m9.55 m
Tail swing radius2.83 m2.845 m
Ground clearance, counterweight1.05 m1.095 m
Ground clearance (minimum)0.47 m0.475 m
Track length4.45 m4.443 m
Track length on ground3.65 m3.65 m
Track gauge2.38 m2.39 m
Overall width2.98 m2.99 m
Shoe width0.6 m0.6 m
Overall height (to top of boom)Not published2.96 m
Overall width of upperstructureNot published2.7 m
Swing centre to rear endNot published2.77 m

Performance

Max digging depth6.72 m6.5 m
Max reach at ground level9.86 m9.78 m
Max digging height9.37 m9.75 m
Max dumping height6.49 m6.99 m
Min loading height2.17 mNot published
Max depth cut for 2,440 mm level bottom6.55 m6.315 m
Max vertical wall digging depth5.19 m5.96 m
Bucket capacity1.19 m³HD bucket0.92 m³
Bucket digging force150 kN130 kN
Arm digging force106 kN103 kN
Swing speed11.3 r/min12.2 rpm
Max swing torque82 kN·mNot published
Travel speed (high)Not published5.7 km/hLow 3.5 km/h
Max drawbar pullNot published21,100 kgf
GradeabilityNot published35°70%

Weight

Operating weight21,300 kg21,260 kg
Ground pressureNot published0.45 kgf/cm2600 mm shoes
CounterweightNot published3,600 kg

Engine

Engine modelCat C7.1Hyundai 6BTAA-5.9 (HM5.9)
EmissionsMeets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA~Tier 2
Net power117 kW (157 hp)ISO 9249, at 1,800 rpm108 kW (145 HP)SAE J1349, at 2,000 rpm
Net power (DIN)159 hp (metric)ISO 9249 (DIN)Not published
Gross power118 kW (158 hp)ISO 14396110 kW (148 HP)SAE J1995, at 2,000 rpm
Gross power (DIN)160 hp (metric)ISO 14396 (DIN)Not published
Bore105 mmNot published
Stroke135 mmNot published
Displacement7 L5,900 cc
Biodiesel capabilityUp to B20Not published
CylindersNot published6
Max torqueNot published64 kgf.m at 1,300 rpm

Hydraulics

Pump flow429 L/minMain system, maximum flow2 x 234 l/min
Max pressure35 000 kPaEquipment350 kgf/cm2
Max pressure, equipment (lift mode)38 000 kPaNot published
Max pressure, travel34 300 kPaNot published
Max pressure, swing27 500 kPa265 kgf/cm2Relief valve setting

Service capacities

Fuel tank345 L340 L
Cooling system25 L20 LEngine coolant
Engine oil25 L20 L
Swing drive (each)6 LNot published
Final drive (each)5 L4.5 L
Hydraulic system, with tank234 L275 L
Hydraulic tank115 L160 L
Swing deviceNot published6.2 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

Working range

Max digging reachNot published9.945 m
Min front swing radiusNot published3.425 m

Sources: Cat 320 Hydraulic Excavator (Tier 3) brochure AEXQ2332-09 (2024, build 07G) · HD Hyundai HX210S / HX220S brochure (2024, ENG_HX210S,220S 24.06)

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 320Hyundai HX220SSame scale, front edges and ground lined up.

Cat 320 vs Hyundai HX220S: questions

Which is bigger, the Cat 320 or Hyundai HX220S?

By operating weight the Cat 320 is the biggest at 21.3 t, then the Hyundai HX220S at 21.3 t.

Which has more power, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 117 kW (157 hp), Hyundai HX220S 108 kW (145 HP) (net power), a 8% difference.

Which digs deeper, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 6.72 m, Hyundai HX220S 6.5 m (max digging depth), a 3% difference.

Which reaches further, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 9.86 m, Hyundai HX220S 9.78 m (max reach at ground level), a 1% difference.

Which has the bigger bucket, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 1.19 m³, Hyundai HX220S 0.92 m³ (bucket capacity), a 29% difference.

Which has the bigger fuel tank, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 345 L, Hyundai HX220S 340 L (fuel tank), a 1% difference.

Which turns tighter, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 2.83 m, Hyundai HX220S 2.845 m (tail swing radius), a 1% difference.

Which is narrower to transport, the Cat 320 or Hyundai HX220S?

The Cat 320: Cat 320 2.98 m, Hyundai HX220S 2.99 m (overall width), a 0% 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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