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Engine Model Cat C4.4 ACERT Cat C4.4 ACERT Less
Flywheel Power 117.0 hp 88.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 269.0 in3 4.4 L Less
Gross Power – SAE J1995 91 kW (122 hp/124 PS) 91 kW (122 hp/124 PS) Less
Net Power – SAE J1349/ISO 9249 88 kW (117 hp/119 PS) 88 kW (117 hp/119 PS) Less
Net Power – ISO 14396 91 kW (122 hp/124 PS) 91 kW (122 hp/124 PS) Less


Operating Weight 42340.0 lb 19200.0 kg Less

Machine Weights

Minimum Operating Weight 41010.0 lb 18600.0 kg Less
Maximum Operating Weight 42340.0 lb 19200.0 kg Less


Swing Torque 37394.0 lbf-ft 50.7 kN·m Less
Swing Speed 8.9 rpm 8.9 rpm Less


Maximum Drawbar Pull 46513.0 lbf 206.9 kN Less
Maximum Travel Speed 2.4 mph 3.9 km/h Less

Hydraulic System

Maximum Pressure – Travel 5076.0 psi 35.0 MPa Less
Maximum Pressure – Swing 3336.0 psi 23.0 MPa Less
Pilot System – Maximum Pressure 598.0 psi 4120.0 kPa Less
Main System – Maximum Flow (Total) 79.0 gal/min 300.0 L/min Less
Maximum Pressure – Equipment 5076.0 psi 35.0 MPa Less
Pilot System – Maximum Flow 1593.0 in3/min 26.1 L/min Less

Service Refill Capacities

Cooling System 6.34 gal 24.0 L Less
Final Drive (each) 2.11 gal 8.0 L Less
Hydraulic System (including tank) 31.96 gal 121.0 L Less
Hydraulic Tank 28.0 gal 106.0 L Less
Engine Oil (with filter) 3.57 gal 13.5 L Less
Fuel Tank Capacity 76.61 gal 290.0 L Less
Swing Drive 2.11 gal 8.0 L Less
DEF Tank Capacity 11.62 gal 44.0 L Less

Sound Performance

ISO 6396 – Operator Sound Pressure Level 71.0 dB(A) 71.0 dB(A) Less
ISO 6395 – Exterior Sound Power Level 102.0 dB(A) 102.0 dB(A) Less

Dimensions*: Reach Boom – 5.1 m (16'9"); R2.6 m (8'6") Stick

Shipping Height 10.17 ft 3100.0 mm Less
Shipping Length 28.17 ft 8580.0 mm Less
Tail Swing Radius 8.17 ft 2500.0 mm Less
Length to Center of Rollers 10.75 ft 3265.0 mm Less
Track Length 13.33 ft 4075.0 mm Less
Ground Clearance 1.42 ft 440.0 mm Less
Track Gauge 6.5 ft 1990.0 mm Less
Transport Width – 700 mm (28") Shoes 8.83 ft 2690.0 mm Less
Cab Height 9.5 ft 2890.0 mm Less
Cab Height with Top Guard 10.17 ft 3100.0 mm Less
Counterweight Clearance 3.33 ft 1010.0 mm Less
Note *With a 0.91 m3 (1.19 yd3), 1050 mm (41") GD bucket. *With a 0.91 m3 (1.19 yd3), 1050 mm (41") GD bucket. Less

Working Ranges*: Reach Boom – 5.1 m (16'9"); R2.6 m (8'6") Stick

Maximum Digging Depth 20.0 ft 6090.0 mm Less
Maximum Reach at Ground Level 28.83 ft 8780.0 mm Less
Maximum Cutting Height 29.33 ft 8930.0 mm Less
Maximum Loading Height 20.58 ft 6280.0 mm Less
Minimum Loading Height 7.58 ft 2310.0 mm Less
Maximum Depth Cut for 2440 mm (8'0") Level Bottom 19.25 ft 5860.0 mm Less
Maximum Vertical Wall Digging Depth 16.17 ft 4920.0 mm Less
Note *With a 0.91 m3 (1.19 yd3), 1050 mm (41") GD bucket. *With a 0.91 m3 (1.19 yd3), 1050 mm (41") GD bucket. Less

Bucket & Stick Forces*: Reach Boom – 5.1 m (16'9"); R2.6 m (8'6") Stick; General Duty Bucket

Bucket Digging Force (SAE) 24400.0 lbf 109.0 kN Less
Bucket Digging Force (ISO) 27700.0 lbf 123.0 kN Less
Stick Digging Force (SAE) 16700.0 lbf 74.0 kN Less
Stick Digging Force (ISO) 19300.0 lbf 86.0 kN Less
Note *With a 0.91 m3 (1.19 yd3), 1050 mm (41") GD bucket. *With a 0.91 m3 (1.19 yd3), 1050 mm (41") GD bucket. Less

Key Features

Benefits to help get your work done efficiently and effectively


  • C4.4 ACERT™ U.S. EPA Tier 4 Final/EU Stage IV engine
  • Same working range, similar stick and bucket force and swing torque as 318E
  • Equipped to run on up to B20 biodiesel fuel
  • Two power modes, high power and eco mode, to help manage fuel consumption
  • Auto engine idle shutdown to save fuel, reduce emissions, and extend service intervals


  • Cat® buckets and tools designed to max out machine performance
  • Auxiliary hydraulics available to support a variety of tools
  • Available tool control and quick coupler for speedy tool changes


  • Full-size ROPS certified cab
  • Adjustable joysticks and seats with air suspension and heat and cooling options
  • Monitor programmable in 42 languages
  • Automatic climate control system
  • Drink holder and easy-to-reach storage areas
  • Auxiliary power outlets


  • Routine maintenance points at ground level
  • Wide service doors for easy access
  • Filters grouped to reduce service time
  • Cooling package designed to prevent plugging, make blowing off debris easy


  • Cat Connect technology to improve job site efficiency
  • Available Cat Grade Control to help operators create a level base and precise slope with ease
  • Product Link™/VisionLink® to connect owners to the machine, providing access to location, hours, fuel consumption, idle time, events, and diagnostic codes


  • Modified X-frame structure for enhanced service life
  • Robot welded, Caterpillar designed boom and sticks
  • Greased track link between pins and bushings to increase undercarriage life


  • Hydraulic activation lever to lock out all hydraulic functions
  • Handrail, anti-skid plating, countersunk bolts to reduce slipping and tripping
  • Ground-level fuel cutoff switch to shut down engine
  • Standard rearview camera and mirrors for enhanced visibility

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