Contents
Dimensions
| CAT 309 CR | Standard Stick | Long Stick |
|---|---|---|
| 1. Dig Depth | 161.7 in (4108 mm) | 182.8 in (4642 mm) |
| 2. Vertical Wall | 117.8 in (2991 mm) | 134.0 in (3404 mm) |
| 3. Maximum Reach at Ground Level | 273.6 in (6949 mm) | 293.7 in (7460 mm) |
| 4. Maximum Reach | 281.1 in (7141 mm) | 300.7 in (7637 mm) |
| 5. Maximum Dig Height | 265.2 in (6736 mm) | 277.1 in (7039 mm) |
| 6. Maximum Dump Clearance | 187.4 in (4760 mm) | 199.7 in (5072 mm) |
| 7. Boom in Reach | 120.4 in (3059 mm) | 126.6 in (3215 mm) |
| 8. Tail Swing w/ Counterweight (light) | 62.4 in (1585 mm) | 62.4 in (1585 mm) |
| 8. Tail Swing w/ Counterweight (extra) | 64.0 in (1626 mm) | 64.0 in (1626 mm) |
| 8. Tail Swing w/o Counterweight | 57.1 in (1450 mm) | 57.1 in (1450 mm) |
| 9. Maximum Blade Height | 16.1 in (408 mm) | 16.1 in (408 mm) |
| 10. Maximum Blade Depth | 26.0 in (671 mm) | 26.0 in (671 mm) |
| 11. Boom Height in Shipping Position (w/o Tools)* |
95.7 in (2430 mm) | 89.0 in (2260 mm) |
| 11. Boom Height in Shipping Position (w/ Tools)** |
104.7 in (2660 mm) | 120.1 in (3050 mm) |
| 12. Cab Height | 100.0 in (2541 mm) | 100.0 in (2541 mm) |
| 13. Swing Bearing Height | 29.7 in (756 mm) | 29.7 in (756 mm) |
| 14. Overall Undercarriage Length | 126.0 in (3200 mm) | 126.0 in (3200 mm) |
| 15. Overall Shipping Length | 266.7 in (6774 mm) | 277.6 in (7052 mm)*** |
| 16. Boom Swing Right | 36.8 in (935 mm) | 36.8 in (935 mm) |
| 17. Boom Swing Left | 23.8 in (604 mm) | 23.8 in (604 mm) |
| 18. Track Belt/Shoe Width | 17.7 in (450 mm) | 17.7 in (450 mm) |
| 19. Overall Track Width | 97.2 in (2470 mm) | 97.2 in (2470 mm) |
| 20. Ground Clearance | 14 in (356 mm) | 14 in (356 mm) |
| 21. Stick Length | 71.8 in (1820 mm) | 92.8 in (2358 mm) |
* Boom Height when stick is pinned in transport position with no attachments.
** Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
*** With blade positioned at the rear of the machine.
The Cat 309 CR specifications, weight and dimensions are based on a machine configured with a Long Undercarriage.
Swing System
| Machine Swing Speed | 10.6 rpm |
| Tail Swing w/ Counterweight | 64.0 in (1626 mm) |
| Tail Swing w/o Counterweight | 57.1 in (1450 mm) |
| Swing Bearing Height | 29.7 in (756 mm) |
| Boom Swing, Left | 60° |
| Boom Swing, Right | 50° |
| Swing Brake | Automatic Swing Brake |
Weights
| Max Operating Weight w/ Cab | 21642 lb (9815 kg) |
| Min Operating Weight w/ Cab | 19735 lb (8950 kg) |
| Long Stick | +146 lb (66 kg) |
| Counterweight (light) | +551 lb (250 kg) |
| Counterweight (extra) | +1103 lb (500 kg) |
| Steel Tracks With Pads | +728 lb (330 kg) |
Engine Details
| Number of Cylinders | 4 |
| Engine Make | Caterpillar |
| Engine Model | Cat C3.3B |
| Displacement | 203 cu in (3.33 L) |
| Bore | 3.7 in (94 mm) |
| Stroke | 4.7 in (120 mm) |
| Net Power | 69.5 hp (51.8 kw) |
| Gross Power | 74.3 hp (55.5 kw) |
| Power Measured @ | 2200 rpm |
| Aspiration | Turbocharged and aftercooled |
| Emission Standards | US EPA Tier 4 Final + EU Stage V |
Operating Specs
| Max Operating Weight | 21642 lb (9815 kg) |
| Max Digging Depth | 182.8 in (4642 mm) |
| Max Dump Clearance | 199.7 in (5072 mm) |
| Operating Voltage | 12 V |
| Alternator | 60 amps |
| Battery | 12 V, 900 CCA Maintenance Free Battery |
| ROPS | ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level I) / (Level II) Optional |
| Front Guard (Mesh / Heavy Duty) (Optional) | ISO 10262:1998 (Level I) / (Level II) |
| Rear Camera | Standard / Optional: Rear and Side Camera |
| HVAC | HVAC with Automatic Temperature Control |
| Average Exterior Sound Pressure | 99 dB(A) |
| Operator Sound Pressure | 72 dB(A) |
Travel System
| Type | Automatic Two Speed Travel |
| Travel Speed – High | 2.9 mph (4.7 km/h) |
| Travel Speed – Low | 1.6 mph (2.6 km/h) |
| Maximum Traction Force – High Speed | 6497 lbf (28.9 kN) |
| Maximum Traction Force – Low Speed | 19064 lbf (84.8 kN) |
| Gradeability – Maximum | 30° |
Undercarriage
| Type | Long Undercarriage |
| Undercarriage Length | 126.0 in (3200 mm) |
| Undercarriage Width | 97.2 in (2470 mm) |
| Standart Track Shoe Size | 17.7 in (450 mm) |
| Optional Tracks | Steel Tracks, 17.7 in (450 mm) / Wide Steel Tracks, 23.6 in (600 mm) / Steel Track with Rubber Pads |
| Number of Track Rollers per Side | 5 |
| Number of Carrier Rollers per Side | 1 |
| Ground Pressure – Min Weight | 5.0 psi (34.7 kPa) |
| Ground Pressure – Max Weight | 5.5 psi (38.1 kPa) |
Dozer Blade
| Blade Width (Standard) | 97 in (2470 mm) |
| Blade Width (Wide) | 104 in (2640 mm) |
| Blade Height | 17 in (431 mm) |
| Max Blade Lift Height | 16.1 in (408 mm) |
| Max Blade Depth | 26.0 in (671 mm) |
Hydraulic System
| Hydraulic System Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow @ 2400 rpm | 62 gal/min (233 L/min) |
| Operating Pressure – Equipment | 4134 psi (28500 kPa) |
| Operating Pressure – Travel | 4134 psi (28500 kPa) |
| Operating Pressure – Swing | 3626 psi (25000 kPa) |
| Auxiliary Circuit – (High Flow) Primary – Pump Flow | 37 gal/min (140 L/min) |
| Auxiliary Circuit – (High Flow) Primary – Pressure | 4134 psi (28500 kPa) |
| Auxiliary Circuit – Secondary – Pump Flow | 9 gal/min (33 L/min) |
| Auxiliary Circuit – Secondary – Pressure | 4134 psi (28500 kPa) |
| Digging Force – Standard Stick | 9509 lb (42.3 kN) |
| Digging Force – Long Stick | 8032 lb (35.7 kN) |
| Digging Force – Bucket | 13946 lb (62.0 kN) |
CAT 309 CR Attachments
| Model | Description |
|---|---|
| Adapters | Coupler adapters for connecting to Cat Skid Steer interfaces |
| Augers | A68, for 5 Ton Mini Excavators |
| Heavy Duty Backhoe Buckets (Weld-On Adapters) | 300 mm (12 in), 96 L (3.4 ft3), Pin Lock 406 mm (16 in), 120 L (4.2 ft3), Pin Lock 457 mm (18 in), 139 L (4.9 ft3), Pin Lock 610 mm (24 in), 207 L (7.3 ft3), Pin Lock 762 mm (30 in), 280 L (9.9 ft3), Pin Lock 914 mm (36 in), 340 L (12 ft3), Pin Lock |
| High Capacity Backhoe Buckets (Weld-On Adapters) | 406 mm (16 in), 160 L (5.7 ft3), Pin Lock 457 mm (18 in), 180 L (6.4 ft3), Pin Lock 610 mm (24 in), 260 L (9.2 ft3), Pin Lock 762 mm (30 in), 360 L (12.7 ft3), Pin Lock 914 mm (36 in), 460 L (16.2 ft3), Pin Lock |
| Ditch Cleaning Buckets | 1219 mm (48 in), 329 L (11.6 ft3), Pin On 1372 mm (54 in), 375 L (13.2 ft3), Pin On 1524 mm (60 in), 420 L (14.8 ft3), Pin On |
| Grading Buckets | 1200 mm (47 in) 1500 mm (59 in) |
| Heavy Duty Buckets | 330 mm (13 in), 99 L (3.5 ft3), Pin On 457 mm (18 in), 150 L (5.3 ft3), Pin On 610 mm (24 in), 229 L (8.1 ft3), Pin On 762 mm (30 in), 309 L (10.9 ft3), Pin On, 914 mm (36 in), 388 L (13.7 ft3), Pin On |
| Heavy Duty Rock Buckets | 610 mm (24 in) 762 mm (30 in) |
| Nordic Grading Buckets | 1300 mm (51 in) Bucket |
| Nordic Trenching Buckets | 400 mm (16 in) Bucket |
| Cold Planers | Cat PC35, PC45 |
| Compaction Wheels | 305 mm (12 in), 1/4 Yard Pin Lock 305 mm (12 in), Pin On 457 mm (18 in), 1/4 Yard Pin Lock 457 mm (18 in), Pin On 610 mm (24 in), 1/4 Yard Pin Lock 610 mm (24 in), Pin On 914 mm (36 in), Pin On |
| Vibratory Plate Compactors | CVP40, CVP55 |
| Dual Lock Pin Grabber Couplers | 8 Ton Mini Excavators, Hydraulic or Manual Coupler |
| Pin Lock Couplers | 8 Ton Mini Excavators, Manual Coupler |
| Pin Puller Couplers | Pin Puller Coupler for 7-9 Ton Mini Excavators |
| S Type Couplers | S-45 and S-50 Pin Grabber, including LCS models, 7-9 Ton |
| Tilting Dual Lock Couplers | 8 Ton Mini Excavators Tilting Dual Lock Pin Grabber |
| Flail Mowers | Cat HMF210 |
| Pallet Fork Carriages | 1300 mm (51 in), Skid Steer Coupler, Class II |
| Contractors’ Grapples | G108 Stiff Link |
| Demolition and Sorting Grapples | G308 |
| Hammers | Cat B6, B6s, B8, B8s, B9, B9s, Cat H80s, H95s |
| Mulchers | HM208, HM210 |
| Single Shank Rippers | 861 mm (34 in), 7-9 Ton Mini Excavators |
| Mobile Scrap & Demolition Shears | S308 |
| Pro Series Hydraulic Thumbs | 671 mm (26 in) 4 Teeth/2 Tines 858 mm (34 in) 6 Teeth/2 Tines |
| Stiff Link Thumbs | 432 mm (17 in) 4 Teeth/2 Tines 437 mm (17 in) 4 Teeth/2 Tines |
| Utility Thumbs | 475 mm (19 in) 4 Teeth/2 Tines 475 mm (19 in) 6 Teeth/2 Tines |
Service Refill Capacities
| Fuel Tank Capacity | 39 gal (147 L) |
| Engine Oil Capacity | 3 gal (11.2 L) |
| Cooling System Capacity | 2.6 gal (10 L) |
| Hydraulic Tank Capacity | 14 gal (53 L) |
| Hydraulic System Capacity | 29 gal (110 L) |
