Contents
Dimensions
| CAT 303.5 CR | Standard Stick | Long Stick |
|---|---|---|
| 1. Dig Depth | 110.6 in (2810 mm) | 122.4 in (3110 mm) |
| 2. Vertical Wall | 88.6 in (2250 mm) | 94.1 in (2390 mm) |
| 3. Max Reach at Ground Level | 202.0 in (5130 mm) | 211.8 in (5380 mm) |
| 4. Maximum Reach | 207.5 in (5270 mm) | 216.9 in (5510 mm) |
| 5. Maximum Dig Height | 193.7 in (4920 mm) | 197.6 in (5020 mm) |
| 6. Maximum Dump Clearance | 137.4 in (3490 mm) | 141.7 in (3600 mm) |
| 7. Boom in Reach | 1760 mm (69.3 in) | 73.2 in (1860 mm) |
| 8. Tail Swing w/ Counterweight (light) | 37.8 in (960 mm) | 37.8 in (960 mm) |
| 8. Tail Swing w/ Counterweight (extra) | 39.6 in (1005 mm) | 39.6 in (1005 mm) |
| 8. Tail Swing w/o Counterweight | 35.0 in (890 mm) | 35.0 in (890 mm) |
| 9. Maximum Blade Height | 15.2 in (385 mm) | 15.2 in (385 mm) |
| 10. Maximum Blade Depth | 21.1 in (535 mm) | 21.1 in (535 mm) |
| 11. Boom Height in Shipping Position | 59.8 in (1520 mm) | 68.9 in (1750 mm) |
| 12. Shipping Height to Top of Cab | 97.6 in (2480 mm) | 97.6 in (2480 mm) |
| 13. Swing Bearing Height | 22.2 in (565 mm) | 22.2 in (565 mm) |
| 14. Overall Undercarriage Length | 87.4 in (2220 mm) | 87.4 in (2220 mm) |
| 15. Overall Shipping Length* | 189.0 in (4800 mm) | 190.9 in (4850 mm) |
| 16. Boom Swing Right | 34.3 in (870 mm) | 34.3 in (870 mm) |
| 17. Boom Swing Left | 25.2 in (640 mm) | 25.2 in (640 mm) |
| 18. Track Belt/Shoe Width | 11.8 in (300 mm) | 11.8 in (300 mm) |
| 19. Overall Track Width | 70.1 in (1780 mm) | 70.1 in (1780 mm) |
| 20. Ground Clearance | 12.2 in (310 mm) | 12.2 in (310 mm) |
| 21. Stick Length | 49.6 in (1260 mm) | 61.4 in (1560 mm) |
* Overall Shipping Length depends on blade position during shipment.
Working Range
| CAT 303.5 CR | Standard Stick | Long Stick |
|---|---|---|
| Digging Force | 4249 lbf (18.9 kN) | 3799 lbf (16.9 kN) |
| Bucket Digging Force | 7419 lb (33.0 kN) | 7419 lb (33.0 kN) |
| Stick Length | 49.6 in (1260 mm) | 61.4 in (1560 mm) |
| Dig Depth | 110.6 in (2810 mm) | 122.4 in (3110 mm) |
| Vertical Wall | 88.6 in (2250 mm) | 94.1 in (2390 mm) |
| Max Reach at Ground Level | 202.0 in (5130 mm) | 211.8 in (5380 mm) |
| Maximum Reach | 207.5 in (5270 mm) | 216.9 in (5510 mm) |
| Maximum Dig Height | 193.7 in (4920 mm) | 197.6 in (5020 mm) |
| Maximum Dump Clearance | 137.4 in (3490 mm) | 141.7 in (3600 mm) |
| Boom in Reach | 1760 mm (69.3 in) | 73.2 in (1860 mm) |
Weights
| Min Operating Weight with Canopy* | 7673 lb (3480 kg) |
| Max Operating Weight with Canopy** | 8930 lb (4050 kg) |
| Min Operating Weight with Cab* | 7982 lb (3620 kg) |
| Max Operating Weight with Cab** | 9239 lb (4190 kg) |
| Counterweight (light) | 221 lb (100 kg) |
| Counterweight (extra) | 551 lb (250 kg) |
| Optional Steel Tracks | + 287 lb (130 kg) |
| Optional Angle Blade | + 353 lb (160 kg) |
* Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and no extra counterweight.
** Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no bucket and extra counterweight.
Engine Details
| Number of Cylinders | 3 |
| Engine Make | Caterpillar |
| Engine Model | Cat C1.7 |
| Displacement | 104 cu in (1.7 L) |
| Bore | 3.3 in (84 mm) |
| Stroke | 3.9 in (100 mm) |
| Net Power | 23.6 hp (17.6 kw) |
| Gross Power | 24.7 hp (18.4 kw) |
| Power Measured @ | 2200 rpm |
| Peak Torque | 122 lb ft (166 Nm) |
| Torque Measured @ | 1600 rpm |
| Combustion System | Direct Injection |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | DOC+DPF |
| Compression Ratio | 17.0:1 |
| Aspiration | Turbocharged |
| Emission Standards | U.S. Epa Tier 4 Final + EU Stage V |
Swing System
| Machine Swing Speed | 9.0 rpm |
| Boom Swing, Left | 75° |
| Boom Swing, Right | 50° |
| Swing Brakes | Automatic Swing Brake |
Undercarriage
| Rubber Tracks (Standard) | 11.8 in (300 mm) |
| Steel Tracks (Optional) | 11.8 in (300 mm) |
| Undercarriage Length | 87.4 in (2220 mm) |
| Tie Downs on Track Frame | Standard |
Travel System
| Type | Automatic Two Speed Travel |
| Travel Speed, High | 2.8 mph (4.5 km/h) |
| Travel Speed, Low | 1.6 mph (2.6 km/h) |
| Maximum Traction Force – High Speed | 3799 lbf (16.9 kN) |
| Maximum Traction Force – Low Speed | 6969 lbf (31.0 kN) |
| Ground Pressure – Min Weight | 4.3 psi (29.6 kPa) |
| Ground Pressure – Max Weight | 5.2 psi (35.7 kPa) |
| Gradeability, Maximum | 30° |
| Travel Cruise Control | Standard |
Dozer Blade
| Standard Blade Height | 13.8 in (350 mm) |
| Standard Blade Width | 70.1 in (1780 mm) |
| Angle Blade (Optional) | +353 lb (160 kg) |
| Max Blade Lift Height | 15.2 in (385 mm) |
| Max Blade Dig Depth | 21.1 in (535 mm) |
Hydraulic System
| Type | Load Sensing / Flow Sharing Hydraulics |
| Pump Type | Variable Displacement Piston Pump |
| Pump Flow @ 2400 rpm | 26 gal/min (100 L/min) |
| Operating Pressure – Equipment | 3553 psi (24500 kPa) |
| Operating Pressure – Travel | 3553 psi (24500 kPa) |
| Operating Pressure – Swing | 2625 psi (18100 kPa) |
| Auxiliary Circuit Primary Pump Flow* | 18 gal/min (70 L/min) |
| Auxiliary Circuit Primary Pressure* | 3553 psi (24500 kPa) |
| Auxiliary Circuit Secondary Pump Flow* | 7 gal/min (25 L/min) |
| Auxiliary Circuit Secondary Pressure* | 3553 psi (24500 kPa) |
*Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
CAT 303.5 CR Heavy Duty Buckets
| Bucket | Capacity | Weight |
|---|---|---|
| 305 mm (12 in), Pin On | 1.7 ft3 (48 L) | 143 lb (65 kg) |
| 406 mm (16 in), Pin On | 2.5 ft3 (71 L) | 163 lb (74 kg) |
| 508 mm (20 in), Pin On | 3.3 ft3 (93 L) | 192 lb (87 kg) |
| 619 mm (24 in), Pin On | 4.2 ft3 (119 L) | 216 lb (98 kg) |
| 914 mm (36 in), Pin On | 7.1 ft3 (200 L) | 293 lb (133 kg) |
CAT 303.5 CR Ditch Cleaning Buckets
| Bucket | Capacity | Weight |
|---|---|---|
| 1000 mm (40 in), Pin On | 4.8 ft3 (136 L) | 240.1 lb (108.9 kg) |
| 1400 mm (55 in), Pin On | 7.0 ft3 (197 L) | 259.2 lb (117.6 kg) |
| 1200 mm (47 in), Pin On | 5.9 ft3 (167 L) | 235.7 lb (106.9 kg) |
CAT 303.5 CR Attachments
- Augers
– A23 (218-3198 PO | 1A);
– A41 (220-7137 PO | 1A). - Single Shank Rippers
– Single Shank Ripper 490 mm (19 in), 3-4 Ton Mini Excavators. - Hammers
– B2 (532-9102 TI | 1A);
– B2s (532-9202 TI | 1A);
– B4 Side Mount (532-9304 PO | 1A);
– H45s (561-2549 TI | 1A). - Tiltrotators
– TRS4 (608-4480 S40 | 1A);
– TRS4 (608-4481 PO | 1A);
– TRS4 (608-4482 PO | 1A). - Vibratory Plate Compactors
– CVP16 (612-9616 TI | 1A);
– CVP28 (612-9628 TI | 1A).
Operating Specs
| Max Operating Weight (Cab) | 9239 lb (4190 kg) |
| Max Dig Depth (STD Stick) | 110.6 in (2810 mm) |
| Max Dig Depth (Long Stick) | 122.4 in (3110 mm) |
| Max Dump Height (STD Stick) | 137.4 in (3490 mm) |
| Max Dump Height (Long Stick) | 141.7 in (3600 mm) |
| Operating Voltage | 12 V |
| Alternator | 55 amps |
| Battery | 12 V, 52 Ah, CCA 650, 24 BCI Maintenance Free Battery |
| Working Lights (Standard) | 2 Front Halogen Lights + Halogen Rear Light + Halogen Boom Light |
| Working Lights (Optional) | LED Front and Rear Lights + LED Boom Light |
Operator Environment
| ROPS | ISO 12117-2:2008 |
| TOPS | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 (Level I) |
| Cab with Air Conditioning | Optional |
| Cab with Heater | Optional |
| Operator Sound Pressure | 78 dB(A) (ISO 6396:2008) |
| Exterior Sound Power Level | 94 dB(A) (ISO 6395:2008) |
| 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 – Jog Dial (cab only) |
| Advanced Monitor (Optional) | – 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 |
Service Refill Capacities
| Fuel Tank Capacity | 11.9 gal (45 L) |
| Engine Oil Capacity (with Filter) | 1.6 gal (6 L) |
| Cooling System Capacity | 1.8 gal (7 L) |
| Hydraulic System Capacity | 11.9 gal (45 L) |
| Hydraulic Tank Capacity | 5.3 gal (20 L) |
