US
Metric

Overview

The Cat 303.5E CR delivers high performance in a compact radius design to help you work in the tightest applications.

Engine

Engine Model
Cat® C1.8
Net Power
31.60 hp
23.60 kW
Gross Power
33.30 hp
24.80 kW

Weights

Operating Weight
7734.00 lb
3508.00 kg
Operating Weight - With Cab
8139.00 lb
3692.00 kg

Dimensions

Maximum Digging Depth - Standard Stick
9.60 ft
2880.00 mm
Maximum Reach - Ground Level - Standard Stick
16.70 ft
5060.00 mm
Height - Over Cab
8.20 ft
2500.00 mm
Maximum Cutting Height - Long Stick
16.50 ft
5030.00 mm
Maximum Cutting Height - Standard Stick
16.20 ft
4920.00 mm
Maximum Dump Height - Long Stick
11.90 ft
3640.00 mm
Maximum Dump Height - Standard Stick
11.50 ft
3520.00 mm
Maximum Horizontal Reach - Long Stick
17.80 ft
5440.00 mm
Maximum Horizontal Reach - Standard Stick
17.10 ft
5200.00 mm
Maximum Vertical Dig Depth - Long Stick
8.20 ft
2470.00 mm
Maximum Vertical Dig Depth - Standard Stick
7.70 ft
2320.00 mm
Shipping Height
8.20 ft
2500.00 mm
Shipping Length
15.50 ft
4730.00 mm
Track Shoe Width
1.00 ft
300.00 mm
Transport Width
5.80 ft
1780.00 mm

Engine Dimensions

Bore
3.40 in
87.00 mm
Stroke
4.00 in
102.40 mm
Displacement
110.00 in3
1.80 L

Travel System

Max traction force - high speed
3799.00 lb
16.90 kN
Max traction force - low speed
6969.00 lb
31.00 kN
Maximum Traction Force - High Speed
3799.00 lb
16.90 kN
Maximum Traction Force - Low Speed
6969.00 lb
31.00 kN

Hydraulic System

Operating Pressure - Equipment
3553.00 psi
245.00 bar
Operating Pressure - Equipment
3553.00 psi
245.00 bar
Operating Pressure - Travel
3553.00 psi
245.00 bar
Operating Pressure - Swing
2625.00 psi
181.00 bar
Auxiliary Circuit - Primary
15.90 gal/min
60.00 l/min
Auxiliary Circuit - Secondary
7.10 gal/min
27.00 l/min
Digging Force - Stick - Standard
4249.00 lb
18.90 kN
Digging Force - Stick - Long
3799.00 lb
16.90 kN

Swing System

Machine Swing Speed
9.00 RPM
9.00 RPM
Boom swing - left (without stop)
80.00 Degrees
80.00 Degrees
Boom swing - left (with stop)
55.00 Degrees
55.00 Degrees
Boom Swing - Right
50.00 Degrees
50.00 Degrees

Blade

Width
70.00 in
1780.00 mm
Height
12.80 in
325.00 mm
Dig Depth
18.50 in
470.00 mm
Lift Height
15.70 in
400.00 mm

Service Refill Capacities

Cooling System
1.50 gal
5.50 L
Engine Oil
1.80 gal
7.00 L
Hydraulic Tank
11.20 gal
42.30 L
Fuel Tank
12.20 gal
46.00 L
Hydraulic System
17.20 gal
65.00 L

MSC Comments

MSC Spec Date
3/06

Engine

Engine Model
Cat® C1.8
Net Power
31.60 HP
23.60 kW
Gross Power
33.30 HP
24.80 kW

Weights

Operating Weight
7734.00 lb
3508.00 kg

Dimensions

Shipping Height
8.20 ft
2500.00 mm
Shipping Length
15.50 ft
4730.00 mm
Transport Width
5.80 ft
1780.00 mm

Engine Dimensions

Bore
3.40 in
87.00 mm
Stroke
4.00 in
102.40 mm
Displacement
110.00 in³
1.80 l

Travel System

Travel Speed - High
2.80 mile/h
4.60 km/h
Travel Speed - Low
1.60 mile/h
2.60 km/h

Hydraulic System

Digging Force - Bucket
7419.00 lb
33.00 kN

Swing System

Machine Swing Speed
9.00 r/min
9.00 r/min
Boom Swing - Left - Without Stop
80.00 °
80.00 °
Boom Swing - Left - With Stop
55.00 °
55.00 °
Boom Swing - Right
50.00 °
50.00 °

Blade

Width
70.00 in
1780.00 mm

Service Refill Capacities

Cooling System
1.50 gal (US)
5.50 l
Engine Oil
1.80 gal (US)
7.00 l
Hydraulic Tank
11.20 gal (US)
42.30 l
Fuel Tank
12.20 gal (US)
46.00 l
Hydraulic System
17.20 gal (US)
65.00 l
Features

Operator Station

Performance

Zero Tail Swing

Coupler and Work Tool Options

Dozer Blade

Undercarriage

Serviceability

Customer Support

Sales Features

Operator Station

Superior comfort to keep you productive throughout the work day.

Performance

Powerful digging with precise control.

Zero Tail Swing

Work in the tightest areas.

Coupler and Work Tool Options

New coupler design and multiple work tools increase versatility.

Dozer Blade

Standard dozer blade maximizes productivity.

Undercarriage

Stability and durability.

Serviceability

Simplified service and maintenance saves you time and money.

Customer Support

Support you can count on.
Standard Equipment
  • COMPASS display panel
  • Dozer blade with float function
  • Floor mat
  • Foot travel pedals
  • Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
  • Horn
  • Hydraulic oil cooler
  • Lifting eye on bucket linkage (optional in Europe)
  • Lockable storage box
  • Low maintenance linkage pin joints
  • Maintenance free battery
  • Rubber track
  • Seatbelt, 76 mm (3 in) wide, retractable (optional in Europe)
  • Standard stick
  • Suspension seat, vinyl covered
  • "Thumb ready" stick (standard equipment in all regions except Europe)
  • Travel alarm (optional in Europe)
Optional Equipment
  • Air conditioning
  • Angle dozer blade with float function
  • Beacon socket for canopy machines
  • Boom check valve (Europe only)
  • Boom mounted light
  • Cab, radio ready with FOPS ISO 10262 (Level 1), Tip-Over Protection (TOPS) ISO 12117, heater/defroster, interior light and windshield wiper/washer
  • Ecology drain valve for hydraulic tank
  • Ecology drain valve for engine oil
  • Fan and sun blind installation
  • Front screen guard for cab and canopy
  • High back suspension seat, fabric covered
  • Hydraulic quick coupler lines
  • Long stick
  • Mechanical quick coupler
  • Mirrors for cab and canopy
  • Secondary auxiliary hydraulic lines
  • Steel track and steel track with rubber pads