Cat 302.7D CR

Compact excavators

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302.7D CR Hydraulische minigraafmachine
302.7D CR Hydraulische minigraafmachine
302.7D CR Hydraulische minigraafmachine
302.7D CR Hydraulische minigraafmachine

About the Cat 302.7D CR

 

302.7D CR Mini Hydraulic Excavator

Specifications

Engine
Net Power 20.7 HP
Engine Model Yanmar 3TNV76
Gross Power 24.3 HP
Emissions Meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Rated Net Power - ISO 9249 20.7 HP
Displacement 68 in³
Note Engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Weights
Operating Weight 6239 lb
Operating Weight - With Cab 6239 lb
Operating Weight - With Canopy 6034 lb
Dimensions
Maximum Digging Depth 2544/2744 mm (8 ft 4 in/9 ft 0 in)
Tail Swing Radius 30 in
Boom Swing Angle - Left 75 °
Height 7.9 ft
Maximum Dig Height 4170/4300 mm (13 ft 8 in/14 ft 1 in)
Transport Length - Arm Lowered 14 ft
Maximum Dozer Dig Depth 16 in
Length - Undercarriage 79 in
Track Width 30 in
Minimum Front Linkage Swing Radius 21 in
Width 5.15 ft
Maximum Dozer Lift Height 15 in
Maximum Reach - Ground Level 4481/4681 (14 ft 8 in/15 ft 5 in)
Boom Swing Angle - Right 50 °
Maximum Vertical Dig Depth 1962/2152 mm (6 ft 5 in/7 ft 1 in)
Maximum Reach 4613/4805 mm (15 ft 1 in/15 ft 10 in)
Maximum Dumping Height 2840/2970 mm (9 ft 4 in/9 ft 8 in)
Travel System
Gradeability 30°/58%
Travel Speed 2.1 km/h/3.8 km/h (1.30 mph/2.36 mph)
Hydraulic System
Operating Pressure - Equipment 3263 psi
Operating Pressure - Travel 3263 psi
Operating Pressure - Swing 2987 psi
Maximum Stick Force - Standard/Long 15.4 kN/13.6 kN (3,462 lbf/3,057 lbf)
Auxiliary Circuits - Secondary 30.8 L/min at 206 bar (8.1 gal/min at 2,988 psi)
Pump Flow at 2,500 rpm 23.6 gal/min
Maximum Bucket Force 5058 lb
Auxiliary Circuits - Primary 52.2 L/min at 225 bar (13.8 gal/min at 3,263 psi)
Blade
Width 61.9 in
Height 11.4 in
Dig Depth 16.5 in
Lift Height 15 in
Service Refill Capacities
Fuel Tank Capacity 9.3 gal (US)
Hydraulic Tank Capacity 7 gal (US)
Lift Capacity at Ground Level with Cab - Lift Point Radius: 2.5 m (98.43 in)
Note * The loads listed are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included here.
Standard Stick: Blade Down - Front 992 kg (2,187 lb)*
Long Stick and Optional Counterweight: Blade Down - Front 985 kg (2,172 lb)*
Long Stick and Optional Counterweight: Blade Down - Side 521 kg (1,149 lb)
Standard Stick: Blade Down - Side 456 kg (1,005 lb)
Lift Capacity at Ground Level with Cab - Lift Point Radius: 3.0 m (118.11 in)
Long Stick and Optional Counterweight: Blade Down - Front 739 kg (1,630 lb)*
Standard Stick: Blade Down - Side 351 kg (774 lb)
Standard Stick: Blade Down - Front 750 kg (1,654 lb)*
Long Stick and Optional Counterweight: Blade Down - Side 402 kg (886 lb)
Note * The loads listed are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included here.
Lift Capacity at Ground Level with Cab - Lift Point Radius: 3.5 m (137.80 in)
Standard Stick: Blade Down - Front 597 kg (1,316 lb)*
Note * The loads listed are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included here.
Standard Stick: Blade Down - Side 283 kg (623 lb)
Long Stick and Optional Counterweight: Blade Down - Front 591 kg (1,303 lb)*
Long Stick and Optional Counterweight: Blade Down - Side 322 kg (711 lb)
Lift Capacity at Ground Level with Cab - Lift Point Radius: Maximum
Standard Stick: Blade Down - Side 252 kg (556 lb)
Long Stick and Optional Counterweight: Blade Down - Side 267 kg (588 lb)
Long Stick and Optional Counterweight: Blade Down - Front 478 kg (1,054 lb)*
Standard Stick: Blade Down - Front 517 kg (1,141 lb)*
Note * The loads listed are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included here.

Features

Features

Compact Dimensions: Reduced damage – Operator confidence – Increased productivity

Compact Radius
Configured without the additional counterweight the 302.7D CR is a true zero tail swing machine with the upper body staying within the width of the undercarriage during rotation. This enables the operator to work within confined areas and concentrate on the work being performed without having to worry about the back of the machine.
The 302.7D CR has very compact dimensions.
Transport Weight
The 302.7D CR is designed with a transport weight below 2.7 tonnes (6,000 lb) with cab fitted.
This allows lower trailer transportation costs using a standard passenger vehicle (subject to national restrictions).
Additional Counterweight
An optional additional weight increases the machines lifting capability with only a small addition to the overhang.
An optional additional counterweight increases the machines lifting capacity with only a small addition to the overhang.
(This counterweight is fitted as standard for North America and Australia)

Performance and Durability: Powerful hydraulics – Robust construction – Work tool ready

Auxiliary Hydraulics as Standard Fit
Machine is ‘ready to work.’ Hammer and two way lines complete with quick disconnect fittings are standard. Connections are located close to the tool to reduce hose lengths and any potential damage.
This model has powerful hydraulics, robust construction, and is work tool ready.
Additional lines options are available to further increase machine versatility.
Stick and bucket cylinder hoses are protected by routing them through the boom.
100% Pilot Controls
Delivers excellent machine control and lifetime ‘as new’ performance eliminating the need for linkage and cable maintenance.
Automatic Swing Lock
Safe transportation of the machine is aided by the Cat automatic swing lock which locks the machines upper body in place when the control console is raised or the engine is stopped.
Thumb Ready Stick (North American Builds)
Machine is configured with brackets and relief valves for simple and cost effective mounting of a hydraulic thumb.
Dozer Float
Ground levelling and finishing applications are fast and easier with the dozer float function engaged making site clean-up much more efficient.

User Friendly Operation: Comfortable productivity

Cab Comfort
The Cat® 302.7D CR gives the operator a large comfortable space in which to work. The ergonomic control layout, travel pedals and adjustable wrist rests are engineered to minimize operator fatigue and increase productivity.
The 302.7D CR gives the operator a comfortable space in which to work.
Simultaneous Operation
Both machine upper body swing and boom offset can be controlled simultaneously for faster machine positioning and object handling.
Adjustable Flow Control
Machines configured with proportional auxiliary hydraulics include adjustable hydraulic flow control for even greater tool control. Especially useful with tools such as angling buckets.
Split Front Window
The lower front window section slides into the upper section frame. Both sections are then raised and stored in the roof using a gas assisted mechanism.
This allows the operator to position the front window to suit their visibility and ventilation requirements with easy storage.

Serviceability/Maintenance: Easy access for both maintenance and daily inspection

Pivot Bushing
Steel bushings are fitted on all front linkage pivot points including the swing casting, boom, stick and bucket. Designed for long life and easy replacement.
This model provides easy access for both maintenance and daily inspection.
Maintenance Access
Removable covers in the cab and at the rear of the machine provide easy access to hydraulic system components.
Side Mounted Engine
All daily service points are easily accessed through the large side cover. The engine position also reduces heat and noise transfer into the operator station (cab).

Customer Support: Low operating costs with excellent services and options

Customer Support
Product supported through the Cat dealer and worldwide parts network aimed at minimizing downtime.
  • Finance options
  • Warranty options
  • Maintenance contracts
Help and advice in product and option selection to maximize efficiency and operating profitability
The Cat dealer and worldwide parts network aims to minimize downtime by providing excellent customer service.
Work Tools
A range of tools is available to take advantage of the machines versatility. All tools are matched to the machine to optimize performance and deliver excellent value through high productivity and long life.

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