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307D

Mini Excavators

The Cat 307D Mini Hydraulic Excavator delivers superior performance and comfort while reducing your operating costs. The large spacious cab provides a comfortable work area. Intuitive seat-mounted controls are easy to use for greater job accuracy and efficiency. The standard tail swing design incorporates a counterweight that extends further back on the machine. This provides leverage to create a stable work platform during lifting and digging. The 307D sets the standard for conventional tail swing excavators in the eight-ton size class.

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Engine Model Mitsubishi 4M40 TL
Net Power 41.5 kW
Gross Power 43 kW
Operating Weight 7075 kg
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307D
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FEATURES & BENEFITS

Operator Station

CabA larger, spacious cab provides operator comfort and improved visibility. Joystick controlled auxiliary switch clears space on the floor giving the operator plenty of... Read more

Performance

HydraulicsSmooth responsive hydraulics give the level of control demanded by the customer in any application, from fine grading and dozing to backfilling. Powerful bucket... Read more

Engine

Engine Interim Tier 4 turbocharged engine gives higher power and maintains strong performance at high altitude. High digging forces give power through even the most comp... Read more

Work Tools

Work ToolsA wide range of work tools have been developed and integrated into the machine design to maximize machine performance and deliver excellent value through high p... Read more

Undercarriage

Track OptionsThe Cat 307D offers three different track options to choose from allowing the correct machine configuration to suit the job.Steel TrackThe standard track off... Read more

Serviceability

ServiceabilityRobust, reliable and easily serviceable are the key attributes of Cat® Mini Hydraulic Excavators. Full steel body work panels and protected front linkage li... Read more

Customer Support

Customer SupportYour Cat dealer is ready to assist you with your purchase decision and everything after. Make comparisons of machines, with estimates of component life,... Read more

SPECIFICATIONS FOR 307D

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Engine
Engine Model Mitsubishi 4M40 TL
Net Power 41.5 kW
Gross Power 43 kW
Weights
Operating Weight 7075 kg
Operating Weight - With Cab 7075 kg
Dimensions
Maximum Digging Depth - Standard Stick 4050 mm
Maximum Reach - Ground Level - Standard Stick 6150 mm
Shipping Height 2630 mm
Maximum Vertical Dig Depth - Standard Stick 3640 mm
Maximum Dump Height - Long Stick 5610 mm
Length - Center of Rollers 6290 mm
Swing Radius - Rear 1750 mm
Maximum Dump Height - Standard Stick 5210 mm
Shipping Length 5700 mm
Engine Dimensions
Bore 95 mm
Stroke 100 mm
Displacement 2.83 l
Travel System
Gradeability - Maximum - High 35 °
Maximum Traction Force 56.7 kN
Travel Speed - High 5 km/h
Travel Speed - Low 3.1 km/h
Hydraulic System
Operating Pressure - Equipment 280 bar
Digging Force - Stick - Standard 36.2 kN
Digging Force - Bucket 49.2 kN
Operating Pressure - Travel 320 bar
Operating Pressure - Swing 240 bar
Auxiliary Circuit - Primary 128 l/min
Auxiliary Circuit - Secondary 64 l/min
Swing System
Machine Swing Speed 10 r/min
Sound Levels
Exterior Cab 98 dB(A)
Interior Cab 79 dB(A)
Service Refill Capacities
Cooling System 15.7 l
Engine Oil 12.5 l
Hydraulic Tank 80 l
Fuel Tank 135 l
Hydraulic System 94 l
MSC Comments
MSC Spec Date 1/06

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Gross Power 32.2 kW
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Rated Power 14.1 kW
Operating Weight 1955 kg
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Net Power 17.6 kW
Gross Power 18.4 kW
Minimum Operating Weight* 2990 kg
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Net Power 17.6 kW
Operating Weight 3545 kg
Dig Depth 2950 mm
Engine Model C1.1 Turbo
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307C SB

Engine Model Mitsubishi 4M40E1
Net Power 41 kW
Gross Power 41 kW
Operating Weight 8390 kg
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307D

Engine Model 4M40-TL
Net Power 40 kW
Gross Power 43 kW
Operating Weight 7075 kg
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305 CR

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Rated Power 33.6 kW
Operating Weight 5010 kg
Minimum Operating Weight with Canopy* 4735 kg
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