Caterpillar

C27 ACERT

Minimum Power 800.0 bhp

Maximum Power 1050.0 bhp

Rated Speed 1800-2100 rpm

Emissions U.S. EPA Tier 4 Interim or U.S. EPA Tier 4 Final

Engine Configuration V-12, 4-Stroke-Cycle Diesel

Bore 137.2 mm (5.4 in)

Stroke 152.4 mm (6 in)

Displacement 27 L (1649.5 in³)

Aspiration Twin Turbocharged-Aftercooled (TTA)

Compression Ratio 16.0:1

Combustion System Direct Injection

Rotation (from flywheel end) Counterclockwise

Cooling System Capacity 67.9 L (71.7 qt)

Lube System (refill) 68 L (71.9 qt)

Length 1874 mm (73.8 in)

Width 1600 mm (63 in)

Height 1370 mm (53.9 in)

Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 3004 kg (6625 lb)

C3.4B

Minimum Power 60.3 bhp

Maximum Power 120.7 bhp

Rated Speed 2200 & 2500 rpm

Emissions U.S. EPA Tier 4 Interim or U.S. EPA Tier 4 Final, EU Stage IIIB or EU Stage IV

Engine Configuration In-Line 4, 4-Stroke-Cycle Diesel

Bore 99 mm (3.9 in)

Stroke 110 mm (4.3 in)

Displacement 3.4 L (207.5 in³)

Aspiration Turbocharged (T) or Turbocharged-Aftercooled (TA)

Compression Ratio 17:1

Combustion System Direct Injection

Rotation (from flywheel end) Counterclockwise

Cooling System Capacity 6 L (6.3 qt)

Length 747.5 mm (29.4 in)

Width 662 mm (26.1 in)

Height 822 mm (32.4 in)

Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 251 kg (553.4 lb)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

Length Wall Flow: 541 mm (21.3 in), Through Flow: 509 mm (20 in) (Tier 4 Interim or Tier 4 Final, Stage IIIB)

Weight Wall Flow: 20 kg (44 lb), Through Flow: 14 kg (30.8 lb) (Tier 4 Interim or Tier 4 Final, Stage IIIB)

Diameter Wall-Flow DPF: 180 mm (7.1 in). Through Flow: 149 mm (5.8 in) (Tier 4 Interim or Tier 4 Final, Stage IIIB)

DOC Length 320 mm (12.6 in) (Tier 4 Final, Stage IV)

DOC Weight 15 kg (33 lb) (Tier 4 Final, Stage IV)

DOC Diameter 196 mm (7.7 in) (Tier 4 Final, Stage IV)

SCR Weight 20 kg (44 lb) (Tier 4 Final, Stage IV)

SCR Diameter 251 mm (9.88 in) (Tier 4 Final, Stage IV)

SCR Length 520 mm (20.47 in) (Tier 4 Final, Stage IV)

C1.5

Minimum Power 24.7 bhp

Maximum Power 40.2 bhp

Rated Speed 2100-3000 rpm

Emissions U.S. EPA Tier 4 Final or EU Stage IIIA

Engine Configuration In-Line 3, 4-Stroke-Cycle Diesel

Bore 84 mm (3.3 in)

Stroke 90 mm (3.5 in)

Displacement 1.496 L (91 in³)

Aspiration Naturally Aspirated (NA) or Turbocharged (T)

Compression Ratio 22.5:1

Combustion System Indirect Injection

Rotation (from flywheel end) Counterclockwise

Cooling System Capacity 2.6 L (2.75 qt)

Lube System (refill) 6 L (6.3 qt)

Length 572 mm (22.5 in)

Width 453-512 mm (17.8-20.2 in)

Height 643 mm (25.3 in)

Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 149-156.5 kg (328.5-345 lb)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

Length 449 mm, 17.6 in (Tier 4 Final only)

Weight 13 kg (28.7 lb) (Tier 4 Final, >19 kW/25 hp only)

Diameter 170 mm (6.7 in) (Tier 4 Final only)