Caterpillar Performance Handbook, January 2017, SEBD0351-47

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Specifications ● Single Drum, Smooth

Vibratory Compactors

MODEL

CS78B 3

CS79B

Gross Power

129.5 kW

129.5 kW

173.7 hp

173.7 hp

Rated Engine RPM

2200

2200

No. Cylinders Displacement Engine Model

4

6

4.4 L

6.6 L

268 in 3

403 in 3

C4.4 ACERT

C6.6 ACERT

Emission Standards

Tier 4 Final/Stage IV 2 forward/2 reverse

Tier 3/Stage IIIA equivalent

Speeds

2 forward/2 reverse

Max. Speed (For./Rev.)

11.4 km/h 18 700 kg

11.4 km/h 20 200 kg

7 mph

7 mph

Approximate OperatingWeight

41,214 lb

44,577 lb

Theoretical Gradeability 1

53%

50%

Rimpull 2

96 kN

96 kN

21,582 lbf

21,582 lbf

Drive

Drum/RearWheel

Drum/RearWheel

Steering:

Inside Radius Outside Radius Steering Angle Vibratory System:

3680 mm 5810 mm

3680 mm 5810 mm

12'1" 19'1"

12'1" 19'1"

±34°

± 34°

Ecc. Weight Drive

Hydraulic

Hydraulic

Frequency Amplitude:

28 Hz

28 Hz

1680 vpm

1680 vpm

2

2

High Amplitude Low Amplitude Centrifugal Force: Maximum

2.10 mm 0.98 mm

2.10 mm 0.98 mm

0.083" 0.039"

0.083" 0.039"

332 kN 166 kN

332 kN 166 kN

74,600 lb 37,300 lb

74,600 lb 37,300 lb

Minimum

General Dimensions: Overall Width without Blade

2460 mm 2134 mm 1534 mm 3110 mm 2900 mm 6130 mm 535 mm

2460 mm 2134 mm 1534 mm 3110 mm 2900 mm 6130 mm 535 mm

8'1" 7'0" 5'0"

8'1" 7'0" 5'0"

DrumWidth

Drum Diameter

Tires

23.1 × 26 — 12 ply floatation

23.1 × 26 — 12 ply floatation

Overall Height Wheel to Drum Overall Length Curb Clearance

10'3"

10'3"

13

9'7"

9'7"

20'1" 21.1"

20'1" 21.1"

Service Refill Capacities: Fuel Tank

332 L

332 L

88 U.S. gal 4 U.S. gal 3.1 U.S. gal 13.2 U.S. gal

88 U.S. gal

Diesel Exhaust Fluid Refill Capacity

15 L

—

Crankcase

11.6 L

17.4 L

4.6 U.S.gal

Hydraulic Fluid 13.2 U.S. gal 1 Theoretical gradeability calculated using rimpull, machine weight, weight transfer and slippage. Actual gradeability may vary based on site conditions and machine configuration. 2 Actual performance may vary due to site conditions. 3 Some markets feature a Cat C6.6 ACERT engine that meets U.S. EPATier 3/EU Stage IIIA equivalent emission standards. 50 L 50 L

Edition 47 13-27

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