# 2004 Caterpillar 312C

**URL:** <https://www.constructionequipmentguide.com/used-equipment/caterpillar/excavators/312c/id/89446524>

> This machine has been sold or is not currently for sale.

## Listing details

- **Price:** Sold
- **Listing ID:** 89446524
- **Year:** 2004
- **Manufacturer:** Caterpillar
- **Model:** 312C
- **Category:** Excavators
- **Type:** Standard Excavators
- **Hours:** 6617
- **Serial number:** CAT0312CPCBA02233
- **Location:** Chehalis, Wa
- **Auction starts:** 2026-10-29

## Description

Air Conditioner, 9 ft 10 in Stick, Backfill Blade, 28 in Triple Grouser Track Shoes, Manual Quick Coupler, 29 in Digging Bucket Pick up by appointment only, Closing Time: 2026-10-29 10:02:40 AM

## Manufacturer specifications

### Boom/Stick 1

- **Boom/Stick 1:** Boom 15'3" (4650mm)/ Stick 8'2" (2500mm)
- **Max Cutting Height:** 27.81 ft (8.48 m)
- **Max Digging Depth:** 18.21 ft (5.55 m)
- **Max Loading Height:** 20 ft (6.1 m)
- **Max Reach Along Ground:** 26.83 ft (8.18 m)
- **Max Vertical Wall Digging Depth:** 16.31 ft (4.97 m)
- **Shipping Height Of Unit:** 9.06 ft (2.76 m)
- **Shipping Length Of Unit:** 24.84 ft (7.57 m)

### Boom/Stick 2

- **Boom/Stick 2:** Boom 15'3" (4650mm)/ Stick 9'0" (3000mm)
- **Max Cutting Height:** 28.53 ft (8.7 m)
- **Max Digging Depth:** 19.85 ft (6.05 m)
- **Max Loading Height:** 20.77 ft (6.33 m)
- **Max Reach Along Ground:** 28.3 ft (8.63 m)
- **Max Vertical Wall Digging Depth:** 17.54 ft (5.35 m)
- **Shipping Height Of Unit:** 9.06 ft (2.76 m)
- **Shipping Length Of Unit:** 24.84 ft (7.57 m)

### Buckets

- **Maximum Bucket Capacity:** 1 cu yd
- **Minimum Bucket Capacity:** 0.4 cu yd
- **Reference Bucket Capacity:** 0.8 cu yd

### Dimensions

- **Ground Clearance:** 1.45 ft (0.44 m)
- **Height:** 9.1667 ft (2.79 m)
- **Height To Top Of Cab:** 9.06 ft (2.76 m)
- **Length:** 24.8333 ft (7.57 m)
- **Length Of Track On Ground:** 9.13 ft (2.78 m)
- **Tail Swing Radius:** 6.99 ft (2.13 m)
- **Weight:** 28170 lbs (12777.71 kg)
- **Width:** 8.5 ft (2.59 m)
- **Width To Outside Of Tracks:** 8.5 ft (2.59 m)

### Engine

- **Aspiration:** Turbocharged
- **Displacement:** 259.4 cu in (4250.81 cu cm)
- **Engine Make:** 2236
- **Engine Model:** 3046 T
- **Gross Power:** 94 hp (70.1 kw)
- **Net Power:** 90 hp (67.11 kw)
- **Power Measured @:** 1950 rpm

### General Specifications

- **A Maximum Reach at Ground Level (since 2001):** 494 in (1254.76 cm)
- **A Overall Length (Front Folded) (since 2001):** 402 in (1021.08 cm)
- **Approx. Operating Weight (since 2000):** 26900 lbs (12201.65 kg)
- **Approx. Operating Weight (since 2001):** 28350 lbs (12859.36 kg)
- **Approx. Operating Weight (since 2001):** 28665 lbs (13002.24 kg)
- **B Maximum Digging Depth (since 2001):** 386 in (980.44 cm)
- **B Overall Height (since 2001):** 110 in (279.4 cm)
- **Bore (since 2001):** 4 in (10.16 cm)
- **Bore (since 2006):** 3.9 in (9.91 cm)
- **Bucket Bite Width (since 2001):** 24.0 in (60.96 cm)
- **Bucket Bite Width (since 2001):** 30.0 in (76.2 cm)
- **Bucket Bite Width (since 2001):** 36.0 in (91.44 cm)
- **Bucket Bite Width (since 2001):** 42.0 in (106.68 cm)
- **Bucket Bite Width (since 2001):** 48.0 in (121.92 cm)
- **Bucket Bite Width (since 2006):** 47 in (119.38 cm)
- **Bucket Bite Width (since 2006):** 18 in (45.72 cm)
- **Bucket Bite Width (since 2006):** 24 in (60.96 cm)
- **Bucket Bite Width (since 2006):** 30 in (76.2 cm)
- **Bucket Bite Width (since 2006):** 36 in (91.44 cm)
- **Bucket Bite Width (since 2006):** 42 in (106.68 cm)
- **Bucket Bite Width (since 2006):** 48 in (121.92 cm)
- **Bucket Bite Width (since 2006):** 34 in (86.36 cm)
- **Bucket Bite Width (since 2006):** 43 in (109.22 cm)
- **Bucket Bite Width (since 2006):** 35 in (88.9 cm)
- **Bucket Bite Width (since 2006):** 39 in (99.06 cm)
- **Bucket Bite Width (since 2006):** 22 in (55.88 cm)
- **Bucket Bite Width (since 2006):** 41 in (104.14 cm)
- **Bucket Bite Width (since 2006):** 26 in (66.04 cm)
- **Bucket Bite Width (since 2006):** 37 in (93.98 cm)
- **Bucket Capacity Range (heaped) (since 2001):** 0 - 1 cu yd (0 - 1 cu m)
- **Bucket G.E.T. Size (since 2006):** J250
- **Bucket G.E.T. Size (since 2006):** J300
- **Bucket Heaped Capacity (since 2001):** 0.39 cu yd (300 L)
- **Bucket Heaped Capacity (since 2001):** 0.53 cu yd (410 L)
- **Bucket Heaped Capacity (since 2001):** 0.68 cu yd (520 L)
- **Bucket Heaped Capacity (since 2001):** 0.82 cu yd (630 L)
- **Bucket Heaped Capacity (since 2001):** 0.97 cu yd (740 L)
- **Bucket Heaped Capacity (since 2006):** 0.94 cu yd (0.72 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.38 cu yd (0.29 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.51 cu yd (0.39 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.68 cu yd (0.52 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.89 cu yd (0.68 cu m)
- **Bucket Heaped Capacity (since 2006):** 1.10 cu yd (0.82 cu m)
- **Bucket Heaped Capacity (since 2006):** 1.27 cu yd (0.97 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.59 cu yd (0.45 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.84 cu yd (0.64 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.37 cu yd (0.28 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.50 cu yd (0.38 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.64 cu yd (0.49 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.73 cu yd (0.56 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.42 cu yd (0.32 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.82 cu yd (0.63 cu m)
- **Bucket Heaped Capacity (since 2006):** 0.75 cu yd (0.57 cu m)
- **Bucket Tip Radius (since 2001):** 48.0 in (121.92 cm)
- **Bucket Tip Radius (since 2006):** 49 in (124.46 cm)
- **Bucket Tip Radius (since 2006):** 48 in (121.92 cm)
- **Bucket Weight with Teeth (since 2001):** 668 lbs (303 kg)
- **Bucket Weight with Teeth (since 2001):** 767 lbs (347.91 kg)
- **Bucket Weight with Teeth (since 2001):** 869 lbs (394.17 kg)
- **Bucket Weight with Teeth (since 2001):** 950 lbs (430.91 kg)
- **Bucket Weight with Teeth (since 2001):** 1043 lbs (473.1 kg)
- **Bucket Weight without Tips (since 2006):** 1021 lbs (463.12 kg)
- **Bucket Weight without Tips (since 2006):** 574 lbs (260.36 kg)
- **Bucket Weight without Tips (since 2006):** 675 lbs (306.18 kg)
- **Bucket Weight without Tips (since 2006):** 758 lbs (343.82 kg)
- **Bucket Weight without Tips (since 2006):** 851 lbs (386.01 kg)
- **Bucket Weight without Tips (since 2006):** 943 lbs (427.74 kg)
- **Bucket Weight without Tips (since 2006):** 1025 lbs (464.93 kg)
- **Bucket Weight without Tips (since 2006):** 763 lbs (346.09 kg)
- **Bucket Weight without Tips (since 2006):** 872 lbs (395.53 kg)
- **Bucket Weight without Tips (since 2006):** 987 lbs (447.7 kg)
- **Bucket Weight without Tips (since 2006):** 1078 lbs (488.97 kg)
- **Bucket Weight without Tips (since 2006):** 830 lbs (376.48 kg)
- **Bucket Weight without Tips (since 2006):** 879 lbs (398.71 kg)
- **Bucket Weight without Tips (since 2006):** 948 lbs (430.01 kg)
- **Bucket Weight without Tips (since 2006):** 999 lbs (453.14 kg)
- **Bucket Weight without Tips (since 2006):** 697 lbs (316.15 kg)
- **Bucket Weight without Tips (since 2006):** 741 lbs (336.11 kg)
- **Bucket Weight without Tips (since 2006):** 827 lbs (375.12 kg)
- **Bucket Weight without Tips (since 2006):** 875 lbs (396.89 kg)
- **Bucket Weight without Tips (since 2006):** 681 lbs (308.9 kg)
- **Bucket Weight without Tips (since 2006):** 916 lbs (415.49 kg)
- **Bucket Weight without Tips (since 2006):** 720 lbs (326.59 kg)
- **Bucket Weight without Tips (since 2006):** 776 lbs (351.99 kg)
- **Bucket Weight without Tips (since 2006):** 825 lbs (374.21 kg)
- **Bucket Weight without Tips (since 2006):** 864 lbs (391.9 kg)
- **C Maximum Cutting Height (since 2001):** 433 in (1099.82 cm)
- **C Overall Width (since 2001):** 106 in (269.24 cm)
- **C Overall Width (since 2001):** 109 in (276.86 cm)
- **cont'd) Flywheel Horsepower (since 2001):** 71/96 hp
- **cont'd) Flywheel Horsepower (since 2007):** 90 hp (67.11 kw)
- **D Maximum Dumping Height (since 2001):** 355 in (901.7 cm)
- **Displacement (since 2001):** 259 cu in (4244.26 cu cm)
- **Displacement (since 2006):** 244 cu in (3998.45 cu cm)
- **E Minimum Loading Height (since 2001):** 85 in (215.9 cm)
- **Engine Model (since 2001):** 3064 T
- **Flywheel Horsepower (since 2000):** 90 hp (67.11 kw)
- **Flywheel Power (since 2001):** 90 hp (67.11 kw)
- **Flywheel Power (since 2006):** 96 hp (71.59 kw)
- **Fuel Tank Refill - Capacity (since 2001):** 66 US gal (250 L)
- **Ground Contact Area - with Std. Shoe (since 2001):** 4700 sq in (3.03 sq m)
- **Ground Contact Area - with Std. Shoe (since 2006):** 5630 sq in (3.63 sq m)
- **Ground Pressure (since 2001):** 5.00 psi (34.7 kPa)
- **Ground Pressure (since 2001):** 4.40 psi (30.3 kPa)
- **Ground Pressure (since 2001):** 4.00 psi (27.8 kPa)
- **Ground Pressure (since 2001):** 6.60 psi (45.2 kPa)
- **Ground Pressure (since 2006):** 5.66 psi (39 kPa)
- **Ground Pressure (since 2006):** 4.97 psi (33 kPa)
- **Ground Pressure (since 2006):** 4.21 psi (29 kPa)
- **Ground Pressure (since 2006):** 6.00 psi (41.1 kPa)
- **Height (since 2000):** 108 in (274.32 cm)
- **Height (since 2001):** 109 in (276.86 cm)
- **Height (since 2001):** 114 in (289.56 cm)
- **Hydraulic System - (includes tank) (since 2001):** 43 US gal (162 L)
- **Hydraulic System - (includes tank) (since 2006):** 42.8 US gal (162 L)
- **Hydraulic System - (includes tank) (since 2006):** 43.5 US gal (164 L)
- **Includes additional over standard (since 2001):** 5400 lbs (2449.4 kg)
- **Length (since 2000):** 298 in (756.92 cm)
- **Length (since 2001):** 299 in (759.46 cm)
- **Lift Capacity (since 2000):** 3200 lbs (1451.5 kg)
- **Lift Capacity (since 2001):** 3100 lbs (1406.14 kg)
- **Lift Capacity (since 2001):** 10120 lbs (4590.36 kg)
- **Long Reach Boom (since 2001):** 2510 lbs (1138.52 kg)
- **Long Reach Stick (since 2001):** 1410 lbs (639.57 kg)
- **Max. Reach (since 2000):** 327 in (830.58 cm)
- **Max. Reach (since 2001):** 344 in (873.76 cm)
- **Maximum Drawbar - Pull (since 2006):** 24720 lbf (110 kN)
- **Maximum Drawbar - Pull (since 2006):** 24279 lbf (108 kN)
- **Maximum Drawbar - Pull: Standard (since 2001):** 25130 lbf (112 kN)
- **Maximum Travel (since 2001):** Two Speed Travel
- **Maximum Travel Speed at Rated RPM - High (since 2001):** 3.4 mph (5.47 kph)
- **Maximum Travel Speed at Rated RPM - Low (since 2001):** 2.4 mph (3.86 kph)
- **Maximum Travel Speed at Rated RPM - Low (since 2006):** 2.2 mph (3.54 kph)
- **No. of Cylinders (since 2001):** 4
- **Number of Bucket Tips (since 2006):** 6
- **Number of Bucket Tips (since 2006):** 3
- **Number of Bucket Tips (since 2006):** 4
- **Number of Bucket Tips (since 2006):** 5
- **Number of Bucket Tips (since 2006):** 7
- **Operating Weight (since 2001):** 26980 lbs (12237.94 kg)
- **Operating Weight (since 2006):** 28350 lbs (12859.36 kg)
- **Operating Weight (since 2006):** 28970 lbs (13140.59 kg)
- **Overall Track Length (since 2001):** 137 in (347.98 cm)
- **Product Identification Prefix (since 2000):** CAE
- **Product Identification Prefix (since 2001):** BNN(FDS)
- **Product Identification Prefix (since 2001):** BNN
- **Range Dimension A (source diagram) (since 2001):** 250 in (635 cm)
- **Range Dimension A (source diagram) (since 2001):** 240 in (609.6 cm)
- **Range Dimension A (source diagram) (since 2001):** 230 in (584.2 cm)
- **Range Dimension A (source diagram) (since 2006):** 249 in (632.46 cm)
- **Range Dimension A (source diagram) (since 2006):** 269 in (683.26 cm)
- **Range Dimension A (source diagram) (since 2006):** 298 in (756.92 cm)
- **Range Dimension A (source diagram) (since 2006):** 283 in (718.82 cm)
- **Range Dimension B (source diagram) (since 2001):** 339 in (861.06 cm)
- **Range Dimension B (source diagram) (since 2001):** 322 in (817.88 cm)
- **Range Dimension B (source diagram) (since 2001):** 307 in (779.78 cm)
- **Range Dimension B (source diagram) (since 2006):** 313 in (795.02 cm)
- **Range Dimension B (source diagram) (since 2006):** 346 in (878.84 cm)
- **Range Dimension B (source diagram) (since 2006):** 328 in (833.12 cm)
- **Range Dimension C (source diagram) (since 2001):** 238 in (604.52 cm)
- **Range Dimension C (source diagram) (since 2001):** 218 in (553.72 cm)
- **Range Dimension C (source diagram) (since 2001):** 202 in (513.08 cm)
- **Range Dimension C (source diagram) (since 2006):** 219 in (556.26 cm)
- **Range Dimension C (source diagram) (since 2006):** 226 in (574.04 cm)
- **Range Dimension C (source diagram) (since 2006):** 206 in (523.24 cm)
- **Range Dimension D (source diagram) (since 2001):** 209 in (530.86 cm)
- **Range Dimension D (source diagram) (since 2001):** 195 in (495.3 cm)
- **Range Dimension D (source diagram) (since 2001):** 177 in (449.58 cm)
- **Range Dimension D (source diagram) (since 2006):** 210 in (533.4 cm)
- **Range Dimension D (source diagram) (since 2006):** 196 in (497.84 cm)
- **Range Dimension D (source diagram) (since 2006):** 113 in (287.02 cm)
- **Range Dimension D (source diagram) (since 2006):** 143 in (363.22 cm)
- **Range Dimension D (source diagram) (since 2006):** 125 in (317.5 cm)
- **Range Dimension E (source diagram) (since 2001):** 226 in (574.04 cm)
- **Range Dimension E (source diagram) (since 2001):** 206 in (523.24 cm)
- **Range Dimension E (source diagram) (since 2001):** 190 in (482.6 cm)
- **Range Dimension E (source diagram) (since 2006):** 231 in (586.74 cm)
- **Range Dimension E (source diagram) (since 2006):** 210 in (533.4 cm)
- **Range Dimension E (source diagram) (since 2006):** 185 in (469.9 cm)
- **Range Dimension E (source diagram) (since 2006):** 221 in (561.34 cm)
- **Range Dimension E (source diagram) (since 2006):** 201 in (510.54 cm)
- **Range Dimension F (source diagram) (since 2001):** 298 in (756.92 cm)
- **Range Dimension F (source diagram) (since 2001):** 278 in (706.12 cm)
- **Range Dimension F (source diagram) (since 2006):** 288 in (731.52 cm)
- **Range Dimension F (source diagram) (since 2006):** 317 in (805.18 cm)
- **Range Dimension F (source diagram) (since 2006):** 347 in (881.38 cm)
- **Range Dimension F (source diagram) (since 2006):** 331 in (840.74 cm)
- **Range Dimension G (source diagram) (since 2001):** 343 in (871.22 cm)
- **Range Dimension G (source diagram) (since 2001):** 334 in (848.36 cm)
- **Range Dimension G (source diagram) (since 2001):** 324 in (822.96 cm)
- **Range Dimension G (source diagram) (since 2006):** 365 in (927.1 cm)
- **Range Dimension G (source diagram) (since 2006):** 395 in (1003.3 cm)
- **Range Dimension G (source diagram) (since 2006):** 379 in (962.66 cm)
- **Rated Engine RPM (since 2001):** 1950 rpm
- **Relief Valve Settings - Implement Circuits (since 2001):** 4340 psi (29900 kPa)
- **Relief Valve Settings - Implement Circuits (since 2006):** 4332 psi (29900 kPa)
- **Relief Valve Settings - Pilot Circuits (since 2001):** 600 psi (4100 kPa)
- **Relief Valve Settings - Pilot Circuits (since 2006):** 600 psi (4120 kPa)
- **Relief Valve Settings - Swing Circuits (since 2001):** 3560 psi (24500 kPa)
- **Relief Valve Settings - Swing Circuits (since 2006):** 3343 psi (23050 kPa)
- **Relief Valve Settings - Travel Circuits (since 2001):** 4980 psi (34300 kPa)
- **Relief Valve Settings - Travel Circuits (since 2006):** 4970 psi (34300 kPa)
- **Shipping Dimension A (source diagram) (since 2001):** 109 in (276.86 cm)
- **Shipping Dimension B (source diagram) (since 2001):** 98 in (248.92 cm)
- **Shipping Dimension C (source diagram) (since 2001):** 98 in (248.92 cm)
- **Shipping Dimension D (source diagram) (since 2001):** 17 in (43.18 cm)
- **Shipping Dimension E (source diagram) (since 2001):** 36 in (91.44 cm)
- **Shipping Dimension F (source diagram) (since 2001):** 84 in (213.36 cm)
- **Shipping Dimension G (source diagram) (since 2001):** 137 in (347.98 cm)
- **Shipping Dimension H (source diagram) (since 2001):** 298 in (756.92 cm)
- **Shipping Dimension J (source diagram) (since 2001):** 109 in (276.86 cm)
- **Shipping Dimension K (source diagram) (since 2001):** 109 in (276.86 cm)
- **Shipping Dimension L (source diagram) (since 2001):** 78 in (198.12 cm)
- **Sourcing (since 2001):** Japan
- **Sourcing (since 2006):** France
- **Stick (since 2001):** 73 in (185.42 cm)
- **Stick (since 2001):** 118 in (299.72 cm)
- **Stick (since 2001):** 98 in (248.92 cm)
- **Stick (since 2006):** 84 in (213.36 cm)
- **Stick (since 2006):** 89 in (226.06 cm)
- **Stroke (since 2001):** 5.1 in (12.95 cm)
- **Stroke (since 2006):** 5 in (12.7 cm)
- **Track Gauge (since 2000):** 78 in (198.12 cm)
- **Track Gauge - Standard - Undercarriage (since 2006):** 78 in (198.12 cm)
- **Track Shoe Width (since 2001):** 24 in (60.96 cm)
- **Track Shoe Width (since 2001):** 28 in (71.12 cm)
- **Track Shoe Width (since 2001):** 30 in (76.2 cm)
- **Track Shoe Width (since 2001):** 20 in (50.8 cm)
- **Width (since 2000):** 98 in (248.92 cm)
- **Width (since 2001):** 102 in (259.08 cm)
- **Width of Standard - Track Shoe (since 2001):** 20 in (50.8 cm)
- **Width of Standard - Track Shoe (since 2006):** 24 in (60.96 cm)
- **Years Built (since 2000):** 2,000 - 2,019
- **Years Built (since 2000):** 2,000 - 2,022
- **Years Built (since 2000):** 2,000 - 2,012
- **Years Built (since 2000):** 2,000 - 2,013
- **Years Built (since 2000):** 2,000 - 2,015
- **Years Built (since 2000):** 2,000 - 2,016
- **Years Built (since 2000):** 2,000 - 2,017
- **Years Built (since 2000):** 2,000 - 2,018
- **Years Built (since 2000):** 2,000 - 2,006
- **Years Built (since 2000):** 2,000 - 2,010
- **Years Built (since 2001):** 2,001 - 2,002
- **Years Built (since 2001):** 2,001 - 2,006
- **Years Built (since 2001):** 2,001 - 2,007
- **Years Built (since 2001):** 2,001 - 2,010
- **Years Built (since 2001):** 2,001 - 2,019
- **Years Built (since 2001):** 2,001 - 2,022
- **Years Built (since 2001):** 2,001 - 2,012
- **Years Built (since 2001):** 2,001 - 2,013
- **Years Built (since 2001):** 2,001 - 2,015
- **Years Built (since 2001):** 2,001 - 2,016
- **Years Built (since 2001):** 2,001 - 2,017
- **Years Built (since 2001):** 2,001 - 2,018

### Operational

- **Alternator Supplied Amperage:** 55 amps
- **Cooling System Fluid Capacity:** 4.7 gal (17.79 l)
- **Engine Oil Capacity:** 4.7 gal (17.79 l)
- **Fuel Capacity:** 66.1 gal (250.19 l)
- **Hydraulic Pump Flow Capacity:** 33.5 gpm (126.8 lpm)
- **Hydraulic System Fluid Capacity:** 42.8 gal (162 l)
- **Hydraulic System Relief Valve Pressure:** 4980 psi
- **Operating Weight:** 28170 lbs (12777.71 kg)
- **Swing Drive Fluid Capacity:** 0.8 gal (3.03 l)

### Swing Mechanism

- **Swing Speed:** 12.9 rpm
- **Swing Torque:** 22496 lbs ft (30500.08 nm)

### Undercarriage

- **Drawbar Pull:** 24728.99 lbs (11216.9 kg)
- **Ground Pressure:** 4.79 psi
- **Max Travel Speed:** 3.42 mph (5.5 kph)
- **Shoe Size:** 24 in (60.96 cm)
- **Track Gauge:** 6.53 ft (1.99 m)

## About this model

The Caterpillar 312C is a hydraulic excavator in Caterpillar's 12-ton class, designed for general excavation, trenching, site preparation, and utility work. It is typically equipped with a diesel engine, hydraulic boom and stick, and a standard crawler undercarriage for stability on uneven ground. The 312C is used in construction, earthmoving, and material handling applications where compact size and digging performance are required. Common attachments include buckets, hydraulic thumbs, and breakers. Known for its balanced operating weight, maneuverability, and service access, the Caterpillar 312C remains a widely recognized model in the mid-size excavator category.

## Photos

![2004 Caterpillar 312C](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/f14b322f-b728-498f-8151-1fc31e7ab6c6-hr.jpg)

![2004 Caterpillar 312C photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/86ddb67e-ee60-425c-ba84-b721aecc2d61-hr.jpg)

![2004 Caterpillar 312C photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/605594e4-4ce3-4098-b8cb-2221531e6227-hr.jpg)

![2004 Caterpillar 312C photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/9184037d-d8ab-486e-991d-df1c7b622183-hr.jpg)

![2004 Caterpillar 312C photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/c64025a7-7504-463b-a439-f462c139257a-hr.jpg)

![2004 Caterpillar 312C photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/7d25e713-c38f-439c-934f-304317c976a2-hr.jpg)

![2004 Caterpillar 312C photo 7](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23208/194/ff6d9c95-3fdc-47f1-93f5-8a756776929a-hr.jpg)
