307C SB



The C Series incorporates innovations for improved performance and versatility.


Engine Model Mitsubishi 4M40E1 Mitsubishi 4M40E1 Less
Net Power 54.0 hp 41.0 kW Less
Gross Power 55.0 hp 41.0 kW Less


Operating Weight 18479.0 lb 8390.0 kg Less
Operating Weight with Cab 18500.0 lb 8390.0 kg Less


Max digging depth - standard stick 13.6 ft 4160.0 mm Less
Max reach ground level - standard stick 22.6 ft 6890.0 mm Less
Center ground clearance 1.25 ft 380.0 mm Less
Height over cab 8.63 ft 2630.0 mm Less
Length to Center of Rollers 6.96 ft 2120.0 mm Less
Max cutting height - long stick 21.3 ft 6490.0 mm Less
Max cutting height - standard stick 20.2 ft 6180.0 mm Less
Max digging depth - long stick 14.4 ft 4700.0 mm Less
Max dump height - long stick 14.6 ft 4450.0 mm Less
Max dump height - standard stick 13.65 ft 4160.0 mm Less
Max reach ground level - long stick 24.3 ft 7420.0 mm Less
Max vertical dig depth - long stick 11.7 ft 3580.0 mm Less
Max vertical dig depth - standard stick 9.8 ft 3000.0 mm Less
Shipping Height 8.63 ft 2630.0 mm Less
Shipping Length 19.91 ft 6070.0 mm Less
Stick length - long stick 7.25 ft 2210.0 mm Less
Stick length - standard stick 5.46 ft 1165.0 mm Less
Swing radius - rear 5.74 ft 1750.0 mm Less
Track Shoe Width 1.5 ft 450.0 mm Less
Transport Width 90.16 ft 2290.0 mm Less
Width upper structure 7.51 ft 2290.0 mm Less

Engine Dimensions

Bore 3.7 in 95.0 mm Less
Stroke 4.0 in 100.0 mm Less
Displacement 173.0 in3 2.84 L Less

Travel System

Travel Speed - High 3.3 mph 5.3 km/h Less

Hydraulic System

Operating Pressure - Equipment 3980.0 psi 274.0 bar Less
Digging Forces - Stick (standard) 7843.13 lb 34.89 kN Less
Digging Force - Stick (long) 6895.79 lb 30.67 kN Less
Digging Force - Bucket 9830.0 lb 4460.0 kN Less
Operating Pressure - Travel 4550.0 psi 313.0 bar Less
Operating Pressure - Swing 2840.0 psi 196.0 bar Less

Swing System

Machine Swing Speed 11.0 RPM 11.0 RPM Less

Service Refill Capacities

Cooling System 4.0 gal 15.5 L Less
Engine Oil 2.9 gal 11.2 L Less
Hydraulic Tank 15.0 gal 57.0 L Less
Fuel Tank 35.7 gal 135.0 L Less
Hydraulic System 24.8 gal 94.0 L Less

MSC Comments

MSC Spec Date 10/05 10/05 Less


The four cylinder engine is built for power, reliability, economy and low emissions.

Undercarriage and Blade

Durable undercarriage absorbs stresses and provides excellent stability.

Front Linkage

Designed-in flexibility helps bring higher production and efficiency to all jobs.

Operation Station

Designed for simple, easy operation, the 307C operator station allows the operator to focus on production.


Simplified service and maintenance features save you time and money.

Complete Customer Support

Cat dealer services help you operate longer with lower costs.


Caterpillar hydraulics deliver power and control to keep material moving at high volume.

307C SB Standard Equipment

Alternator, 35-amp

Boom lowering device (accumulator)

Brake, automatic swing holding

Cab, sound supressed, includes:
  • adjustable arm rest
  • air conditioner with defroster
  • antenna
  • ash tray
  • beverage holder
  • cigar lighter
  • coat hook
  • dial-type throttle
  • floor mat
  • horn, front
  • hydraulic system neutralizing lever
  • joysticks, pilot-operated
  • KAB 528P/C seat with suspension, four way adjustable without head rest
  • lighting, interior
  • literature compartment
  • monitoring system
  • openable front window
  • radio, AM/FM stereo
  • removable lower windshield with storage bracket inside cab
  • roof hatch
  • seat belt
  • travel control levers

Door and cap locks, one key


Fully opening rear hood

Hydraulic valve port, auxiliary

  • frame, right-side

Mirror, right-hand side

One touch low idle

Pillar mounted wiper

Reverse swing damping valve

Straight travel circuit

Tool box

Track, 450 mm (18") shoes

Track guiding guards, idlers

Two-speed travel

  • main windshield wiper and washer
  • right and rear windows, polycarbonate
  • sliding door window, tempered glass
  • Windshield, two-piece:

307C SB Optional Equipment

Alarm, travel

  • 2300 mm (7'6")
  • 2400 mm (7'10")

Boom, lowering control device

Boom, power offset

Boom, one-peice


Bucket linkage

Control Pattern Changer SAE/BHL

Coolant, extended life

Cooling package, high ambient

  • Falling Objects Guard System
  • headrest for KAB 528P/C, T8P/C
  • swivel
  • front windshield
  • vandalism protection


Hydraulic arrangements, auxiliary:
  • single-function capability
  • double-function capability
  • combined single and double function capability

Hydraulic lines, auxiliary:
  • sticks
  • boom

  • boom, right
  • working, cab-mounted (2)

Morror, cab left

Power Supply, 12V 5Amp

Side cutters

Seats, suspension:
  • KAB T8P/C seat without suspension, head rest
  • KAB T1P/C vinyl seat without suspension, head rest
  • KAB 527P/C high back seat with suspension, console adjustment, head rest

Headrest for KAB 528P/C, T8P/C

Starting kit, cold weather

  • 2210 mm (7'3")
  • 1665 mm (5'6")

Track shoes

Travel pedals

Water separator, fuel line

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