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• Fabricante:
  Caterpillar
• Modelo:
  308 CR

ENGINE
-Net Power: 69.5 HP
-Engine Model: Cat C3.3B
-Stroke: 4.7 in
-Bore: 3.7 in
-Gross Power - SAE J1995: 74.3 HP
-Displacement: 203 in3
-Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269: 69.5 HP

WEIGHTS
-Operating Weight: 20077 lb
-Note (1): Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
-Note (2): Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
-Minimum Operating Weight with Cab: 20077 lb
-Maximum Operating Weight with Cab: 18610 lb

WEIGHT INCREASE FROM MINIMUM CONFIGURATION
-Steel Tracks with Pads: 752 lb
-Counterweight: 552 lb
-Long Stick: 146 lb

TRAVEL SYSTEM
-Maximum Traction Force - High Speed: 6250 lb
-Ground Pressure - Maximum Weight: 5.8 psi
-Ground Pressure - Minimum Weight: 5.4 psi
-Travel Speed - High: 3.2 mile/h
-Travel Speed - Low: 1.9 mile/h
-Maximum Traction Force - Low Speed: 15175 lb
-Gradeability - Maximum: 30 degrees

SERVICE REFILL CAPACITIES
-Fuel Tank: 39 gal (US)
-Hydraulic System: 29 gal (US)
-Hydraulic Tank: 14 gal (US)
-Cooling System: 2.6 gal (US)
-Engine Oil: 3 gal (US)

HYDRAULIC SYSTEM
-Digging Force - Bucket: 13946 lb
-Operating Pressure - Travel: 4134 psi
-Operating Pressure - Swing: 3626 psi
-Operating Pressure - Equipment: 4134 psi
-Digging Force - Stick - Long: 8032 lb
-Type: Load Sensing Hydraulics with Variable Displacement Piston Pump
-Note: Flow and pressure do not have the ability to be combined. Under load, as flow rises pressure goes down.
-Pump Flow at 2,400 rpm: 44 gal/min
-Digging Force - Stick - Standard: 9509 lb
-Maximum Auxiliary Circuit - Primary - Pressure at Pump: 4134 psi
-Maximum Auxiliary Circuit - Secondary - Pressure at Pump: 4134 psi
-Maximum Auxiliary Circuit - Primary - Flow at Pump: 35 gal/min
-Maximum Auxiliary Circuit - Secondary - Flow at Pump: 9 gal/min

SWING SYSTEM
-Machine Swing Speed: 10.6 r/min
-Boom Swing - Right: 50 degrees
-Boom Swing - Left: 60 degrees

BLADE
-Height: 17 in
-Width - Standard: 90.6 in
-Width - Wide: 96.5 in

CERTIFICATION - CAB
-Top Guard: ISO 10262:1998 (Level I)
-Roll Over Protective Structure (ROPS): ISO 12117-2:2008
-Tip Over Protective Structure (TOPS): ISO 12117:1997

DIMENSIONS - STANDARD STICK
-Cab Height: 100 in
-Vertical Wall: 117.8 in
-Boom In Reach: 120.4 in
-Tail Swing with Counterweight: 62.4 in
-Boom Swing - Right: 36.8 in
-Track Belt/Shoe Width: 17.7 in
-Maximum Reach: 281.1 in
-Stick Length: 71.7 in
-Maximum Blade Height: 14.6 in
-Boom Swing - Left: 23.8 in
-Maximum Blade Depth: 16 in
-O/A Track Width: 90.6 in
-Maximum Dig Height: 265.2 in
-Maximum Dump Clearance: 187.4 in
-Maximum Reach - Ground Level: 273.6 in
-Tail Swing without Counterweight: 57.1 in
-O/A Undercarriage Length: 113.4 in
-Swing Bearing - Height: 29.7 in
-Ground Clearance: 13.8 in
-Dig Depth: 161.7 in
-Note: Boom Height when stick is pinned in transport position with no attachments.
-Overall Shipping Length - with Counterweight: 264 in
-Note (1): Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
-Overall Shipping Length - without Counterweight: 258.8 in
-Note (2) With blade positioned at the rear of the machine.
-Height - Boom Working - With Tools: 104.7 in
-Height - Boom Transport - No Tools: 95.7 in

DIMENSIONS - LONG STICK
-Dig Depth: 182.8 in
-Boom Swing - Left: 23.8 in
-Maximum Dig Height: 277.1 in
-Maximum Blade Height: 14.6 in
-Track BeIt/Shoe Width: 17.7 in
-Cab Height: 100 in
-Tail Swing with Counterweight: 62.4 in
-O/A Undercarriage Length: 113.4 in
-Maximum Dump Clearance: 199.7 in
-Boom Swing - Right: 36.8 in
-Maximum Blade Depth: 16 in
-Ground Clearance: 13.8 in
-Stick Length: 92.8 in
-Maximum Reach: 300.7 in
-Maximum Reach - Ground Level: 293.7 in
-Boom In Reach: 126.6 in
-Swing Bearing - Height: 29.7 in
-O/A Track Width: 90.6 in
-Tail Swing without Counterweight: 57.1 in
-Vertical Wall: 134 in
-Note: Boom Height when stick is pinned in transport position with no attachments.
-Note (2): With blade positioned at the rear of the machine.
-Note (1): Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
-Height - Boom Transport - No Tools: 89 in
-Height - Boom Working - With Tools: 120.1 in
-Overall Shipping Length - without Counterweight: 6872 mm (270.6 in)
-Overall Shipping Length - with Counterweight: 6872 mm (270.6 in)