Contents
Dimensions
| Boom Options | Reach/HD Reach Boom 5.7 m (18’8″) | SLR Boom 8.85 m (29’0″) |
|---|---|---|
| Stick Options | Reach/HD TR Reach Stick R2.9B1 (9’6″) | SLR Stick 6.28A (20’7″) |
| 1. Top of Cab Height | 116.5 in (2960 mm) | 116.5 in (2960 mm) |
| Height to Top of GNSS Antenna | 118.1 in (3000 mm) | 118.1 in (3000 mm) |
| Height to Top of OPG | 122.0 in (3100 mm) | 122.0 in (3100 mm) |
| Handrail Height | 116.1 in (2950 mm) | 116.1 in (2950 mm) |
| Height w/ Boom/Stick/Bucket Installed | 124.4 in (3160 mm) | 125.6 in (3190 mm) |
| Height w/ Boom/Stick Installed | 114.6 in (2910 mm) | 120.9 in (3070 mm) |
| Height w/ Boom Installed | 97.6 in (2480 mm) | 104.3 in (2650 mm) |
| 2. Length w/ Boom/Stick/Bucket Installed | 375.2 in (9530 mm) |
501.9 in (12750 mm) |
| Length w/ Boom/Stick Installed | 374.0 in (9500 mm) | 502.0 in (12760 mm) |
| Length w/ Boom Installed | 332.7 in (8450 mm) | 351.4 in (8920 mm) |
| 3. Upperframe Width | 109.4 in (2780 mm) | 109.4 in (2780 mm) |
| 4. Tail Swing Radius | 111.4 in (2830 mm) | 111.4 in (2830 mm) |
| 5. Counterweight Clearance | 41.3 in (1050 mm) | 41.3 in (1050 mm) |
| 6. Ground Clearance | 18.5 in (470 mm) | 18.5 in (470 mm) |
| 7. Track Length | 175.2 in (4450 mm) | 175.2 in (4450 mm) |
| 8. Length to Center of Rollers | 143.7 in (3650 mm) | 143.7 in (3650 mm) |
| 9. Track Gauge | 93.7 in (2380 mm) | 93.7 in (2380 mm) |
| 10. Undercarriage Width (790 mm Shoes) | 124.8 in (3170 mm) | 124.8 in (3170 mm) |
| Bucket Type | HD | DC |
| Bucket Capacity | 1.50 yd3 (1.14 m3) | 0.75 yd3 (0.57 m3) |
| Bucket Tip Radius | 57.9 in (1470 mm) | 42.1 in (1070 mm) |
Operating Weight
| CAT 320 Configuration | Operating Weight | Ground Pressure |
|---|---|---|
| Long Undercarriage + Reach Boom 5.7 m (18’8″) + Stick R2.9 (9’6″) + HD Bucket 1.56 yd3 (1.19 m3) + Counterweight 9300 lb (4200 kg) |
49800 lb (22600 kg) | 5.2 psi (35.7 kPa) |
| Long Undercarriage + HD Reach Boom 5.7 m (18’8″) + HD Thumb Ready Stick R2.9 (9’6″) + HD Bucket 1.56 yd3 (1.19 m3) + Counterweight 10400 lb (4700 kg) |
53600 lb (24300 kg) | 5.6 psi (38.4 kPa) |
Weights
| Base Machine Weight* | 32600 lb (14800 kg) |
| Base Machine Weight** | 35300 lb (16000 kg) |
| Track Shoes – 31 in (790 mm) Width, 0.39 in (10 mm) Thick Triple Grouser Track Shoes with Step Extension | 7400 lb (3370 kg) |
| Two Boom Cylinders | 750 lb (340 kg) |
| Weight of 90% Fuel Tank and 75 kg (165 lb) Operator | 685 lb (310 kg) |
| Semi-HD Swing Frame | 4210 lb (1910 kg) |
| Undercarriage (Standard Base Frame with HD Track Rollers and Standard Carrier Rollers) | 9700 lb (4390 kg) |
| Counterweight | |
|---|---|
| Counterweight (standard) | 9300 lb (4200 kg) |
| Counterweight (for Super Long Reach) | 10400 lb (4700 kg) |
| Booms | |
| Reach Boom 18’8″ (5.7 m) | 3800 lb (1710 kg) |
| HD Reach Boom 5.7 m (18’8″) | 4400 lb (2010 kg) |
| Super Long Reach (SLR) Boom 8.85 m (29’0″) | 4800 lb (2170 kg) |
| Sticks | |
| Reach Stick R2.9B1 (9’6″) | 2400 lb (1080 kg) |
| HD Thumb Ready Reach Stick R2.9B1 (9’6″) | 2900 lb (1300 kg) |
| Super Long Reach Stick 6.28A (20’7″) | 3000 lb (1340 kg) |
| Buckets (without linkage) | |
| 1.19 m3 (1.56 yd3) HD 960 2,100 | 1900 lb (880 kg) |
| 0.53 m3 (0.69 yd3) General Duty (GD) 410 900 | 1900 lb (880 kg) |
| 0.57 m3 (0.75 yd3) Ditch Cleaning (DC) 390 900 | 1900 lb (880 kg) |
| Quick Couplers | |
| Pin Grabber | 860 lb (390 kg) |
| Universal | 510 lb (230 kg) |
* With 9300 lb (4200 kg) counterweight, semi-HD swing frame, standard base frame with HD track rollers and standard carrier rollers for long undercarriage – does not include boom, stick, bucket, boom cylinders, stick cylinder, bucket cylinder, tracks, 90% fuel tank and 165 lb (75 kg) operator.
** With 10400 lb (4700 kg) counterweight, HD swing frame, HD base frame with SD track rollers and SD carrier rollers for long undercarriage – does not include boom, stick, bucket, boom cylinders, stick cylinder, bucket cylinder, tracks, 90% fuel tank and 165 lb (75 kg) operator.
Working Ranges
| Boom Option | Reach/HD Reach Boom 5.7 m (18’8″) |
|---|---|
| Stick Option | Reach/HD TR Reach Stick R2.9B1 (9’6″) |
| 1. Max Digging Depth | 261 in (6620 mm) |
| 2. Max Reach at Ground Line | 398 in (9760 m) |
| 3. Max Cutting Height | 367 in (9330 mm) |
| 4. Max Loading Height | 259 in (6590 mm) |
| 5. Min Loading Height | 89 in (2270 mm) |
| 6. Max Depth Cut for 2440 mm (8 ft) Level Bottom | 254 in (6440 mm) |
| 7. Max Vertical Wall Dig Depth | 211 in (5360 mm) |
| Bucket Digging Force (ISO) | 36711 lbf (163 kN) |
| Stick Digging Force (ISO) | 24486 lbf (109 kN) |
| Bucket Digging Force (ISO), Auto Dig Boost | 39858 lbf (177 kN) |
| Stick Digging Force (ISO), Auto Dig Boost | 26585 lbf (118 kN) |
| Bucket Type HD | Heavy Duty |
| Bucket Capacity | 1.50 yd3 (1.14 m3) |
| Bucket Tip Radius | 57.9 in (1470 mm) |
Working Ranges (SLR Boom)
| Boom Option | SLR Boom 8.85 m (29’0″) |
|---|---|
| Stick Option | SLR Stick 6.28A (20’7″) |
| 1. Max Digging Depth | 454.3 in (11540 mm) |
| 2. Max Reach at Ground Line | 613 in (15570 m) |
| 3. Max Cutting Height | 533.1 in (13540 mm) |
| 4. Max Loading Height | 450.4 in (11440 mm) |
| 5. Min Loading Height | 88.2 in (2240 mm) |
| 6. Max Depth Cut for 2440 mm (8 ft) Level Bottom | 450.4 in (11440 mm) |
| 7. Max Vertical Wall Dig Depth | 433.9 in (11020 mm) |
| Bucket Digging Force (ISO) | 13841 lbf (62 kN) |
| Stick Digging Force (ISO) | 10966 lbf (49 kN) |
| Bucket Type HD | DC |
| Bucket Capacity | 0.75 yd3 (0.57 m3) |
| Bucket Tip Radius | 42.1 in (1070 mm) |
Buckets
| Type | Width | Capacity | Weight |
|---|---|---|---|
| General Duty | 24 in (600 mm) | 0.72 yd3 (0.55 m3) | 1366 lb (620 kg) |
| 30 in (750 mm) | 0.98 yd3 (0.75 m3) | 1580 lb (717 kg) | |
| 36 in (900 mm) | 1.24 yd3 (0.95 m3) | 1747 lb (793 kg) | |
| 42 in (1050 mm) | 1.52 yd3 (1.16 m3) | 1869 lb (848 kg) | |
| 48 in (1200 mm) | 1.80 yd3 (1.38 m3) | 2038 lb (924 kg) | |
| 54 in (1350 mm) | 2.08 yd3 (1.59 m3) | 2210 lb (1002 kg) | |
| General Duty, Wide Tip | 24 in (600 mm) | 0.72 yd3 (0.55 m3) | 1360 lb (617 kg) |
| 30 in (750 mm) | 0.98 yd3 (0.75 m3) | 1576 lb (715 kg) | |
| 36 in (900 mm) | 1.24 yd3 (0.95 m3) | 1743 lb (791 kg) | |
| 42 in (1050 mm) | 1.52 yd3 (1.16 m3) | 1899 lb (861 kg) | |
| 48 in (1200 mm) | 1.80 yd3 (1.38 m3) | 2069 lb (938 kg) | |
| 54 in (1350 mm) | 2.08 yd3 (1.59 m3) | 2241 lb (1016 kg) | |
| Heavy Duty | 24 in (600 mm) | 0.60 yd3 (0.46 m3) | 1426 lb (647 kg) |
| 30 in (750 mm) | 0.84 yd3 (0.64 m3) | 1658 lb (752 kg) | |
| 36 in (900 mm) | 1.06 yd3 (0.81 m3) | 1841 lb (835 kg) | |
| 42 in (1050 mm) | 1.31 yd3 (1.00 m3) | 1967 lb (892 kg) | |
| 48 in (1200 mm) | 1.56 yd3 (1.19 m3) | 2150 lb (975 kg) | |
| 54 in (1350 mm) | 1.81 yd3 (1.38 m3) | 2336 lb (1060 kg) | |
| Heavy Duty Power | 42 in (1050 mm) | 1.26 yd3 (0.96 m3) | 1980 lb (898 kg) |
| 48 in (1200 mm) | 1.49 yd3 (1.14 m3) | 2167 lb (983 kg) | |
| Severe Duty | 24 in (600 mm) | 0.61 yd3 (0.46 m3) | 1506 lb (683 kg) |
| 30 in (750 mm) | 0.84 yd3 (0.64 m3) | 1753 lb (795 kg) | |
| 36 in (900 mm) | 1.06 yd3 (0.81 m3) | 1950 lb (885 kg) | |
| 42 in (1050 mm) | 1.31 yd3 (1.00 m3) | 2091 lb (948 kg) | |
| 48 in (1200 mm) | 1.56 yd3 (1.19 m3) | 2289 lb (1038 kg) | |
| Severe Duty Power | 36 in (900 mm) | 1.03 yd3 (0.79 m3) | 1881 lb (853 kg) |
| Clean Up | 72 in (1800 mm) | 2.09 yd3 (1.60 m3) | 2157 lb (979 kg) |
| 78 in (2000 mm) | 2.31 yd3 (1.76 m3) | 2303 lb (1045 kg) | |
| Ditch Cleaning | 60 in (1500 mm) | 1.32 yd3 (1.01 m3) | 1436 lb (651 kg) |
| 72 in (1800 mm) | 1.62 yd3 (1.24 m3) | 1630 lb (739 kg) | |
| Ditch Cleaning Tilt | 60 in (1500 mm) | 1.18 yd3 (0.90 m3) | 2090 lb (948 kg) |
| 72 in (1800 mm) | 1.45 yd3 (1.11 m3) | 2344 lb (1063 kg) | |
| 72 in (1800 mm) | 1.83 yd3 (1.40 m3) | 2437 lb (1105 kg) | |
| 79 in (2000 mm) | 1.61 yd3 (1.23 m3) | 2496 lb (1132 kg) | |
| Tamping | 86 in (2200 mm) | 0.94 yd3 (0.72 m3) | 1913 lb (868 kg) |
| 86 in (2200 mm) | 1.18 yd3 (0.90 m3) | 1965 lb (891 kg) | |
| General Duty 312 | 36 in (900 mm) | 0.69 yd3 (0.53 m3) | 888 lb (403 kg) |
| Ditch Cleaning 312 | 48 in (1200 mm) | 0.74 yd3 (0.57 m3) | 851 lb (386 kg) |
Engine Details
| Number of Cylinders | 4 |
| Engine Make | Caterpillar |
| Engine Model | Cat C4.4 ACERT |
| Displacement | 269 cu in (4.5 L) |
| Bore | 4.13 in (105 mm) |
| Stroke | 5.0 in (127 mm) |
| Net Power | 172 hp (128.5 kw) |
| Gross Power | 174 hp (129.4 kw) |
| Power Measured @ | 2200 rpm |
| Aspiration | Turbocharged and aftercooled |
| Emission Standards | US EPA Tier 4 Final, EU Stage IV |
Operating Specs
| Operating Weight | 49800 lb (22600 kg) |
| Max Operating Weight | 53600 lb (24300 kg) |
| Digging Depth w/ HD Reach Boom 5.7 m (18’8″) | 261 in (6620 mm) |
| Max Digging Depth w/ SLR Boom 8.85 m (29’0″) | 454 in (11540 mm) |
| Operating Voltage | 24 V |
| Alternator | 24 V, 115 amps / Optional 145 amps |
| Battery | 2x 12 V, 90 Ah, CCA 1000, 31 BCI Heavy Duty Battery |
| Starter | 24 V, 6 hp (4.5 kw), 10 Teeth |
| Working Lights | Programmable time-delay LED working lights. LED chassis light, left-hand (LH) and right hand (RH) boom lights for Reach and SLR, cab lights |
| Cat Equipment Management | VisionLink, Remote Troubleshoot, Work tool recognition and tracking (PL161), Cat Grade with 2D Compatible with 3D grade systems from Trimble, Topcon, and Leica |
| ROPS | ISO 12117-2:2008 |
| OPG (optional) | ISO 10262:1998 Level II |
| Noise Level (external) | 99 dB(A) ISO 6395:2008 |
| Noise Level (inside cab) | 70 dB(A) ISO 6396:2008 |
Swing
| Swing Speed | 11.25 rpm |
| Maximum Swing Torque | 60300 lb ft (82 kNm) |
| Tail Swing Radius | 111.4 in (2830 mm) |
| Fine Swing Control | Standard |
| Swing Brake | The swing parking brake is automatically applied when the machine is stopped |
Undercarriage
| Size | Long Undercarriage |
| Type | Base frame with HD track rollers and standard carrier rollers |
| Number of Shoes (each side) | 49 |
| Number of Track Rollers (each side) | 8 |
| Number of Carrier Rollers (each side) | 2 |
| Standard Track Shoes Width | 31 in (790 mm) |
Drive
| Type | Hydrostatic transmission |
| Maximum Travel Speed | 3.5 mph (5.7 km/h) |
| Maximum Drawbar Pull | 45996 lb (205 kN) |
| Maximum Gradeability | 35° (70%) |
| Service Brakes | ISO 10265:2008 |
Hydraulic System
| Pumps | Tandem type electronic main pump |
| Total Pump Flow | 113 gal/min (429 L/min) |
| Max Pressure – Equipment | 5075 psi (35000 kPa) |
| Max Pressure – Equipment (Heavy Lift Mode/Auto Dig Boost) | 55100 psi (38000 kPa) |
| Max Pressure – Travel | 4974 psi (34300 kPa) |
| Max Pressure – Swing | 4000 psi (27500 kPa) |
| Control | Tool control (two pumps, one/two way high-pressure flow) |
| Boom Cylinder – Bore | 4.7 in (120 mm) |
| Boom Cylinder – Stroke | 49.6 in (1260 mm) |
| Stick Cylinder – Bore | 5.5 in (140 mm) |
| Stick Cylinder – Stroke | 59.2 in (1504 mm) |
| Bucket Cylinder – Bore | 4.7 in (120 mm) |
| Bucket Cylinder – Stroke | 43.5 in (1104 mm) |
Service Refill Capacities
| Fuel Tank Capacity | 91 gal (345 L) |
| DEF Tank Capacity | 10.3 gal (39 L) |
| Engine Oil Capacity (w/ Filter | 4 gal (15 L) |
| Cooling System Capacity | 6.6 gal (25 L) |
| Swing Drive – Each | 1.6 gal (6 L) |
| Final Drive – Each | 1.1 gal (4 L) |
| Hydraulic Tank Capacity | 30 gal (115 L) |
| Hydraulic System Capacity (w/ tank) | 61.8 gal (234 L) |
Engine Oil Viscosities
| Engine Oil Type | Oil Viscosities | °C Min | °C Max |
|---|---|---|---|
| Cat DEO-ULS Cold Weather | SAE 0W-40 | -40 | 40 |
| Cat DEO-ULS SYN | SAE 5W-40 | -30 | 50 |
| Cat DEO-ULS | SAE 10W-30 | -18 | 40 |
| Cat DEO-ULS | SAE 15W-40 | -10 | 50 |
| Cat DEO-ULS for Pump Coupling (If Equipped) | SAE 10W-30 | -18 | 40 |
Hydraulic Oil Viscosities
| Hydraulic Oil Type | Oil Viscosities | °C Min | °C Max |
|---|---|---|---|
| Cat HYDO Advanced 10, Cat TDTO | SAE 10W | -20 | 40 |
| Cat HYDO Advanced 20, Cat TDTO | SAE 20W | -5 | 45 |
| Cat HYDO Advanced 30, Cat TDTO | SAE 30 | 10 | 50 |
| Cat BIO HYDO Advanced | ISO 46 Multi-Grade | -30 | 50 |
| Cat MTO, Cat DEO-ULS, Cat DEO | SAE 10W-30 | -20 | 40 |
| Cat DEO-ULS, Cat DEO | SAE 15W-40 | -15 | 50 |
| Cat TDTO-TMS | Multi-Grade | -15 | 50 |
| Cat DEO-ULS SYN | SAE 5W-40 | -25 | 40 |
| Cat DEO-ULS Cold Weather | SAE 0W-40 | -40 | 40 |
| Cat TDTO Cold Weather | SAE 0W-20 | -40 | 40 |
For applications requiring the use of fire-resistant hydraulic fluids, CAT recommends the use of EcoSafe FR-46. This product is a fully synthetic, nonaqueous hydraulic fluid. Water based and glycolbased hydraulic products are not recommended for use in Caterpillar machine hydraulic systems
