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301.7 CR Mini Hydraulic Excavator

301.7 CR Mini Hydraulic Excavator

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.

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

Engine

Net Power
21HP
Engine Model
C1.1
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Bore
3in
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.
Stroke
3.2in
Displacement
69in³
Note
Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Note (1)
Engine power is tested per ISO 14396:2002.
Gross Power - SAE J1995:2014
21.6HP
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
21HP

Weights

Operating Weight
4222lb
Minimum Operating Weight with Canopy*
3946lb
Maximum Operating Weight with Canopy**
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.
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.
EU: CE Plate Weight***
4167lb

Dimensions - Long Stick

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

Blade

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

Hydraulic System

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

Dimensions - Standard Stick

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

Travel System

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

Service Refill Capacities

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

Sound

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

Sustainability

Recyclability
95%

Weight Increase from Minimum Configuration

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

Swing System

Machine Swing Speed
9.8r/min

Certification - Canopy

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

Standard Equipment:

  • Engine
    • Cat C1.1 Engine (U.S. EPA Tier 4 Final/EU Stage V)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Two Speed Travel
    • Fuel Water Separator
    • Power on Demand (not available in all regions)
    • Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
  • Hydraulics
    • Smart Tech Electronic Pump
    • Accumulator
    • Automatic Swing Brake
    • Auxiliary Hydraulic Lines
    • One and Two Way Auxiliary Flow
    • Continuous Auxiliary Flow
    • Auxiliary Line Quick Disconnects
  • Operator Environment
    • Tilt-up Canopy
    • Top Guard ISO 10262:1998 Level I
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • Machine 2-Point Lifting
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer (optional in some regions)
    • Adjustable Wrist Rests
    • Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Machine Security
    • Machine Security – Standard Key with Pass Code
    • Vinyl Non-Suspension Seat
    • Hydraulic Lockout – All Controls
    • Retractable High Visibility Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • Storage Pocket
    • Skylight
    • Mounting Bosses for Front
    • Signaling/Warning Horn
    • Boom Light, Halogen
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Hour Meter with Wake Up Switch
  • Undercarriage
    • Expandable Undercarriage
    • Rubber Belt (230 mm/9 in wide)
    • Dozer Blade
    • Dozer Blade Float
    • Hydraulic Track Adjusters
    • Tie Downs on Track Frame
  • Boom, Stick And Linkages
    • One Piece Boom (1780 mm/70 in)
    • Standard Stick (960 mm/37.8 in)
    • Front Shovel Capable
    • Front Shovel Capable – Pin-On
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (optional in some regions)
  • Electrical
    • 12 Volt Battery
    • Software (machine and monitor)
    • Maintenance Free Battery
    • Signaling/Warning Horn
    • 12 Volt Power Socket

Optional Equipment:

  • Operator Environment
    • Control Pattern Changer (optional in some regions)
    • No Travel Pedals and Hand Levers
    • Machine Security – Push to Start with Key Fob/Pass Code
    • Vinyl Suspension Seat
    • LED Front Lights
    • LED Front and Rear Lights
    • LED Boom Light
    • Mirrors Left and Right
  • Undercarriage
    • Steel Track (230 mm/9 in wide)
  • Boom, Stick And Linkages
    • Long Stick (1160 mm/45.7 in)
    • Front Shovel Capable – Dual Lock Manual Coupler
    • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Hydraulic Quick Coupler Lines (not available in all regions)
  • Electrical
    • Battery Disconnect
    • Product Link PL243 (regulations apply)
    • Product Link PLE643 (regulations apply)
    • Travel Alarm (standard in some regions)
  • Guarding
    • Guard, Canopy
    • Guard, Mesh
  • Other
    • Bio Oil Capable
    • Eco Drain
    • Water Jacket Heater
    • Heavy Counterweight

H45s Hydraulic Hammer

Operating Weight - With Tool
551.2 lb
Energy Class
399.8 ft·lbf
Machine Class
1-3 Ton Mini Excavators

H35s Hydraulic Hammer

Operating Weight - With Tool
286.6 lb
Energy Class
300.2 ft·lbf
Machine Class
1-2 Ton Mini Excavator

B2s Silenced Hydraulic Hammer

Operating Weight - With Tool
257.5 lb
Energy Class
213.9 ft·lbf
Machine Class
1-3 Ton Mini Excavators

B2 Non-Sillenced Hydraulic Hammer

Operating Weight - With Tool
252.9 lb
Energy Class
213.9 ft·lbf
Machine Class
1-3 Ton Mini Excavators

B1s Silenced Hydraulic Hammer

Operating Weight - With Tool
190.3 lb
Energy Class
147.5 ft·lbf
Machine Class
1-2 Ton Mini Excavators

B1 Non-Sillenced Hydraulic Hammer

Operating Weight - With Tool
183.2 lb
Energy Class
147.5 ft·lbf
Machine Class
1-2 Ton Mini Excavators

559 mm (22 in) 1-8 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
21.8 in
Number of Wheels
4
Machine Class
1-8 Ton Mini Excavators

559 mm (22 in) 1 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
21.8 in
Number of Wheels
4
Machine Class
1 Ton Mini Excavators

406 mm (16 in) 1-8 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
15.7 in
Number of Wheels
3
Machine Class
1-8 Ton Mini Excavators

406 mm (16 in) 1 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
15.7 in
Number of Wheels
3
Machine Class
1 Ton Mini Excavators

305 mm (12 in) 1-8 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
10.7 in
Number of Wheels
2
Machine Class
1-8 Ton Mini Excavators

1000 mm (40 in) Ditch Cleaning Bucket

Width
39.4 in
Capacity
2 ft³
Weight
93.7 lb

800 mm (32 in) Ditch Cleaning Bucket

Width
31.5 in
Capacity
1.5 ft³
Weight
89.3 lb

600 mm (24 in) Digging Bucket

Width
23.6 in
Capacity
2 ft³
Weight
100.1 lb

500 mm (20 in) Digging Bucket

Width
19.7 in
Capacity
1.6 ft³
Weight
90.2 lb

460 mm (18 in) Digging Bucket

Width
18.1 in
Capacity
1.4 ft³
Weight
83.6 lb

400 mm (16 in) Digging Bucket

Width
15.7 in
Capacity
1.2 ft³
Weight
78 lb

300 mm (12 in) Digging Bucket

Width
11.8 in
Capacity
0.8 ft³
Weight
68.6 lb

230 mm (9 in) Digging Bucket

Width
9.1 in
Capacity
0.6 ft³
Weight
64.8 lb

A11 Auger

Drive Shaft Torque at Maximum Pressure
815 lb/ft
Drive Method
Gerotor Motor - Direct Drive
Mounting Bracket Design
1 Ton Mini Excavator Pin On

Specifications

Engine

Net Power
21HP
Engine Model
C1.1
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Bore
3in
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.
Stroke
3.2in
Displacement
69in³
Note
Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Note (1)
Engine power is tested per ISO 14396:2002.
Gross Power - SAE J1995:2014
21.6HP
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
21HP

Weights

Operating Weight
4222lb
Minimum Operating Weight with Canopy*
3946lb
Maximum Operating Weight with Canopy**
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.
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.
EU: CE Plate Weight***
4167lb

Dimensions - Long Stick

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

Blade

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

Hydraulic System

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

Dimensions - Standard Stick

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

Travel System

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

Service Refill Capacities

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

Sound

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

Sustainability

Recyclability
95%

Weight Increase from Minimum Configuration

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

Swing System

Machine Swing Speed
9.8r/min

Certification - Canopy

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

Standard/Optional Features

Standard Equipment:

  • Engine
    • Cat C1.1 Engine (U.S. EPA Tier 4 Final/EU Stage V)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Two Speed Travel
    • Fuel Water Separator
    • Power on Demand (not available in all regions)
    • Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
  • Hydraulics
    • Smart Tech Electronic Pump
    • Accumulator
    • Automatic Swing Brake
    • Auxiliary Hydraulic Lines
    • One and Two Way Auxiliary Flow
    • Continuous Auxiliary Flow
    • Auxiliary Line Quick Disconnects
  • Operator Environment
    • Tilt-up Canopy
    • Top Guard ISO 10262:1998 Level I
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • Machine 2-Point Lifting
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer (optional in some regions)
    • Adjustable Wrist Rests
    • Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Machine Security
    • Machine Security – Standard Key with Pass Code
    • Vinyl Non-Suspension Seat
    • Hydraulic Lockout – All Controls
    • Retractable High Visibility Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • Storage Pocket
    • Skylight
    • Mounting Bosses for Front
    • Signaling/Warning Horn
    • Boom Light, Halogen
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Hour Meter with Wake Up Switch
  • Undercarriage
    • Expandable Undercarriage
    • Rubber Belt (230 mm/9 in wide)
    • Dozer Blade
    • Dozer Blade Float
    • Hydraulic Track Adjusters
    • Tie Downs on Track Frame
  • Boom, Stick And Linkages
    • One Piece Boom (1780 mm/70 in)
    • Standard Stick (960 mm/37.8 in)
    • Front Shovel Capable
    • Front Shovel Capable – Pin-On
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (optional in some regions)
  • Electrical
    • 12 Volt Battery
    • Software (machine and monitor)
    • Maintenance Free Battery
    • Signaling/Warning Horn
    • 12 Volt Power Socket

Optional Equipment:

  • Operator Environment
    • Control Pattern Changer (optional in some regions)
    • No Travel Pedals and Hand Levers
    • Machine Security – Push to Start with Key Fob/Pass Code
    • Vinyl Suspension Seat
    • LED Front Lights
    • LED Front and Rear Lights
    • LED Boom Light
    • Mirrors Left and Right
  • Undercarriage
    • Steel Track (230 mm/9 in wide)
  • Boom, Stick And Linkages
    • Long Stick (1160 mm/45.7 in)
    • Front Shovel Capable – Dual Lock Manual Coupler
    • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Hydraulic Quick Coupler Lines (not available in all regions)
  • Electrical
    • Battery Disconnect
    • Product Link PL243 (regulations apply)
    • Product Link PLE643 (regulations apply)
    • Travel Alarm (standard in some regions)
  • Guarding
    • Guard, Canopy
    • Guard, Mesh
  • Other
    • Bio Oil Capable
    • Eco Drain
    • Water Jacket Heater
    • Heavy Counterweight

Attachments

H45s Hydraulic Hammer

Operating Weight - With Tool
551.2 lb
Energy Class
399.8 ft·lbf
Machine Class
1-3 Ton Mini Excavators

H35s Hydraulic Hammer

Operating Weight - With Tool
286.6 lb
Energy Class
300.2 ft·lbf
Machine Class
1-2 Ton Mini Excavator

B2s Silenced Hydraulic Hammer

Operating Weight - With Tool
257.5 lb
Energy Class
213.9 ft·lbf
Machine Class
1-3 Ton Mini Excavators

B2 Non-Sillenced Hydraulic Hammer

Operating Weight - With Tool
252.9 lb
Energy Class
213.9 ft·lbf
Machine Class
1-3 Ton Mini Excavators

B1s Silenced Hydraulic Hammer

Operating Weight - With Tool
190.3 lb
Energy Class
147.5 ft·lbf
Machine Class
1-2 Ton Mini Excavators

B1 Non-Sillenced Hydraulic Hammer

Operating Weight - With Tool
183.2 lb
Energy Class
147.5 ft·lbf
Machine Class
1-2 Ton Mini Excavators

559 mm (22 in) 1-8 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
21.8 in
Number of Wheels
4
Machine Class
1-8 Ton Mini Excavators

559 mm (22 in) 1 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
21.8 in
Number of Wheels
4
Machine Class
1 Ton Mini Excavators

406 mm (16 in) 1-8 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
15.7 in
Number of Wheels
3
Machine Class
1-8 Ton Mini Excavators

406 mm (16 in) 1 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
15.7 in
Number of Wheels
3
Machine Class
1 Ton Mini Excavators

305 mm (12 in) 1-8 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
10.7 in
Number of Wheels
2
Machine Class
1-8 Ton Mini Excavators

1000 mm (40 in) Ditch Cleaning Bucket

Width
39.4 in
Capacity
2 ft³
Weight
93.7 lb

800 mm (32 in) Ditch Cleaning Bucket

Width
31.5 in
Capacity
1.5 ft³
Weight
89.3 lb

600 mm (24 in) Digging Bucket

Width
23.6 in
Capacity
2 ft³
Weight
100.1 lb

500 mm (20 in) Digging Bucket

Width
19.7 in
Capacity
1.6 ft³
Weight
90.2 lb

460 mm (18 in) Digging Bucket

Width
18.1 in
Capacity
1.4 ft³
Weight
83.6 lb

400 mm (16 in) Digging Bucket

Width
15.7 in
Capacity
1.2 ft³
Weight
78 lb

300 mm (12 in) Digging Bucket

Width
11.8 in
Capacity
0.8 ft³
Weight
68.6 lb

230 mm (9 in) Digging Bucket

Width
9.1 in
Capacity
0.6 ft³
Weight
64.8 lb

A11 Auger

Drive Shaft Torque at Maximum Pressure
815 lb/ft
Drive Method
Gerotor Motor - Direct Drive
Mounting Bracket Design
1 Ton Mini Excavator Pin On