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Cat 323 vs SANY SY215C

The Cat 323 is the heavier machine, at 22.9 t against 21.9 t.

The Cat 323 is ahead on: digs deeper, bigger bucket or body, more digging or pushing force, bigger fuel tank, faster, turns tighter, lower to transport. The SANY SY215C is ahead on: dumps higher.

Below, every figure both makers publish sits side by side, with the Cat 323 and the SANY SY215C drawn to the same scale from their dimension drawings.

  1. Cat · excavator

    Cat 323

    Full specsPDF

  2. SANY · excavator

    SANY SY215C

    Full specsPDF

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At a glance

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

FigureCat 323SANY SY215C
Operating weight22,900 kg21,900 kg
Max digging depthHigher is better6.73 m+2%6.6 m
Max dumping heightHigher is better6.48 m6.73 m+4%
Bucket capacityHigher is better1.3 m³+40%0.93 m³
Bucket digging forceHigher is better140 kN+1%138 kN
Fuel tankHigher is better345 L+1%340 L
Travel speed (high)Higher is better5.7 km/h+6%5.4 km/h
Tail swing radiusLower is better2.83 m+2%2.9 m
Overall height (to top of cab)Lower is better2.96 m+4%3.075 m
Overall length9.53 m9.68 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 m3.075 m
Overall height (to top of boom)3.16 m3.44 m
Handrail height2.95 mNot published
Top of OPG height3.1 mwith optional operator protective guardNot published
Overall length9.53 m9.68 m
Upperframe width2.78 mNot published
Tail swing radius2.83 m2.9 m
Ground clearance, counterweight1.05 mNot published
Ground clearance (minimum)0.47 m0.44 m
Track length4.45 m4.25 m
Track length on ground3.65 mlength to centre of rollers3.445 m
Track gauge2.38 m2.38 m
Overall width2.98 mundercarriage width, 600 mm shoes2.98 m
Overall width (790 mm shoes)3.17 mNot published
Shoe width0.6 mstandard HD triple grouser0.6 mstandard track shoe
Shoe width (optional)0.79 moptional HD triple grouserNot published
Overall width of upperstructureNot published2.875 m

Performance

Max digging depth6.73 m6.6 m
Max reach at ground level9.87 mNot published
Max digging height9.45 m9.6 m
Max dumping height6.48 m6.73 m
Min loading height2.16 mNot published
Max depth cut for 2,440 mm level bottom6.56 mNot published
Max vertical wall digging depth5.62 mNot published
Bucket capacity1.3 m³HD bucket0.93 m³standard bucket
Bucket digging force140 kN138 kN
Bucket digging force (Auto Dig Boost)152 kNISONot published
Arm digging force107 kN103 kN
Arm digging force (Auto Dig Boost)116 kNstick digging force, ISONot published
Swing speed11.25 rpmCE-marked machines may be set lower11 rpm
Max swing torque82 kN·mNot published
Travel speed (high)5.7 km/hmaximum travel speed5.4 km/h
Max drawbar pull204 kNNot published
Gradeability35°/70%70% (35°)
Max digging reachNot published10.28 m
Min front swing radiusNot published3.73 m
Max height at min swing radiusNot published7.68 m
Travel speed (low)Not published3.3 km/h

Weight

Operating weight22,900 kg21,900 kg
Operating weight (5.4 t counterweight)24,300 kgNot published
Ground pressure47.6 kPa4.2 t counterweight, 600 mm shoes47.4 kPa
Counterweight4,200 kgstandard; 5.4 t optionalNot published

Engine

Engine modelCat C7.1Mitsubishi 4M50
EmissionsMeets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIANot published
Net power117 kW (157 hp)ISO 9249, at 1,800 rpmNot published
Net power (DIN)159 hp (metric)ISO 9249 (DIN)Not published
Gross power118 kW (158 hp)ISO 14396Not published
Gross power (DIN)160 hp (metric)ISO 14396 (DIN)Not published
Bore105 mmNot published
Stroke135 mmNot published
Displacement7 L4.9 L
Biodiesel capabilityUp to B20Not published
Engine typeNot published4-cylinder, 4-stroke, water-cooled, electronic injection, common rail, with turbocharger
CylindersNot published4from the type description
Rated powerNot published118 kW (158 hp)
Max torqueNot published580 Nmat 1,600 rpm

Hydraulics

Pump flow429 L/minNot published
Max pressure35 000 kPaequipment, normalNot published
Max pressure, equipment (heavy lift / Auto Dig Boost)38 000 kPaNot published
Max pressure, travel34 300 kPaNot published
Max pressure, swing27 500 kPaNot published
Boom cylinder bore120 mmNot published
Boom cylinder stroke1,260 mmNot published
Stick cylinder bore140 mmNot published
Stick cylinder stroke1,504 mmNot published
Bucket cylinder bore120 mmNot published
Bucket cylinder stroke1,104 mmNot published

Undercarriage

Track shoes (each side)4947
Track rollers (each side)88
Carrier rollers (each side)22

Service capacities

Fuel tank345 L340 L
Cooling system25 L29 L
Engine oil25 L22 L
Swing drive12 LNot published
Final drive5 LNot published
Hydraulic system, with tank234 LNot published
Hydraulic tank115 L239 L
Final drive (each)Not published5 L

Sound

Exterior sound level100 dB(A)ISO 6395:2008Not published
Operator sound level70 dB(A)ISO 6396:2008Not published

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

Undercarriage and front

Boom lengthNot published5.7 mstandard boom
Stick lengthNot published2.919 m

Sources: Cat 323 Hydraulic Excavator Technical Specifications AEXQ4005-01 (11-2025, Tier 3 / MAR-1, build 07H) - figures and dimension drawing · SANY SY215C brochure 'Classic Succession, Value leader' (sanyglobal.com, 2022)

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 323SANY SY215CSame scale, front edges and ground lined up.

Cat 323 vs SANY SY215C: questions

Which is bigger, the Cat 323 or SANY SY215C?

By operating weight the Cat 323 is the biggest at 22.9 t, then the SANY SY215C at 21.9 t.

Which digs deeper, the Cat 323 or SANY SY215C?

The Cat 323: Cat 323 6.73 m, SANY SY215C 6.6 m (max digging depth), a 2% difference.

Which has the bigger bucket, the Cat 323 or SANY SY215C?

The Cat 323: Cat 323 1.3 m³, SANY SY215C 0.93 m³ (bucket capacity), a 40% difference.

Which has the bigger fuel tank, the Cat 323 or SANY SY215C?

The Cat 323: Cat 323 345 L, SANY SY215C 340 L (fuel tank), a 1% difference.

Which turns tighter, the Cat 323 or SANY SY215C?

The Cat 323: Cat 323 2.83 m, SANY SY215C 2.9 m (tail swing radius), a 2% 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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