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301.7 CR Mini Hydraulic Excavator

301.7 CR Mini Hydraulic Excavator

At a Glance

Net Power
21 HP
Operating Weight
4222 lb
Dig Depth
100 in
Engine Model
C1.1
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Overview

The Cat® 301.7 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Engine

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Net Power 21HP
Engine Model C1.1
Bore 3in
Stroke 3.2in
Displacement 69in³
Gross Power - SAE J1995:2014 21.6HP
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 21HP
Note (1) Engine power is tested per ISO 14396:2002.
Note Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Note (2) Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

Weights

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Operating Weight 4222lb
Note (2) **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
Note (1) *Minimum Weight is based on rubber tracks, operator, expandable undercarriage and full fuel tank.
Maximum Operating Weight with Canopy** 4222lb
EU: CE Plate Weight*** 4167lb
Note (3) ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Minimum Operating Weight with Canopy* 3946lb

Dimensions - Long Stick

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Dig Depth 100in
Overall Shipping Length* 141.3in
Stick Length 45.7in
Track Width - Expanded 51.18in
Minimum Ground Clearance Below Undercarriage 5.5in
Vertical Wall 74.4in
Track Width - Retracted 39in
Track Belt/Shoe Width 9.1in
Tail Swing 25.6in
Swing Bearing - Height 17.4in
O/A Undercarriage Length 62.6in
O/A Shipping Height 90.6in
Note *Overall Shipping Length depends on blade position during shipment.
Maximum Reach - Ground Level 159.8in
Maximum Reach 162.6in
Maximum Dump Clearance 98.8in
Maximum Dig Height 137.4in
Maximum Blade Height 10.6in
Maximum Blade Depth 10.4in
Boom Swing - Right 50°
Boom Swing - Left 65°
Boom Height - Shipping Position 40.9in
Boom In Reach 63.8in

Blade

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Height 8.9in
Width* 39in
Note *Expanded – 1300 mm (51 in)

Travel System

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Ground Pressure - Minimum Weight 4psi
Travel Speed - Low 1.8mile/h
Travel Speed - High 2.7mile/h
Maximum Traction Force - Low Speed 4136.5lbf
Maximum Traction Force - High Speed 2675.2lbf
Ground Pressure - Maximum Weight 4.4psi
Gradeability - Maximum 30 degrees

Dimensions - Standard Stick

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Track Width - Retracted 39in
Stick Length 37.8in
Vertical Wall 70.9in
Track Width - Expanded 51.18in
Track Belt/Shoe Width 9.1in
Tail Swing 25.6in
Swing Bearing - Height 17.4in
Overall Shipping Length* 142.5in
O/A Undercarriage Length 62.6in
O/A Shipping Height 90.6in
Minimum Ground Clearance Below Undercarriage 5.5in
Maximum Reach - Ground Level 153.5in
Maximum Reach 156.3in
Maximum Dump Clearance 96.5in
Maximum Dig Height 135in
Maximum Blade Height 10.6in
Maximum Blade Depth 10.4in
Dig Depth 92.5in
Boom Swing - Right 50°
Boom Swing - Left 65°
Boom In Reach 64.2in
Boom Height - Shipping Position 42.9in
Note *Overall Shipping Length depends on blade position during shipment.

Hydraulic System

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Auxiliary Circuit - Primary - Flow 8.7gal/min
Auxiliary Circuit - Secondary - Flow 3.7gal/min
Auxiliary Circuit - Secondary - Pressure 3553.4psi
Pump Flow at 2,400 rpm 17.4gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Travel 3553.4psi
Operating Pressure - Swing 2132.1psi
Operating Pressure - Equipment 3553.4psi
Digging Force - Stick - Standard 2135.7lbf
Digging Force - Stick - Long 1865.9lbf
Digging Force - Bucket 3641.9lbf
Auxiliary Circuit - Primary - Pressure 3553.4psi

Weight Increase from Minimum Configuration

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Steel Tracks 110lb
Long Stick 22lb
Heavy Counterweight 148lb
Expandable Undercarriage Standard

Swing System

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Machine Swing Speed 9.8r/min

Sound

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Note European Union Directive “2000/14/EC”
Average Exterior Sound Pressure (ISO 6395:2008) 93dB(A)

Service Refill Capacities

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Hydraulic Tank 4.8gal (US)
Hydraulic System 6.9gal (US)
Fuel Tank 5.8gal (US)
Engine Oil 1.2gal (US)
Cooling System 1gal (US)

Certification - Canopy

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Top Guard ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS) ISO 12117:1997
Roll Over Protective Structure (ROPS) ISO 12117-2:2008