Caterpillar Performance Handbook, January 2017, SEBD0351-47

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Edition 47 7-247
CycleTime Estimating Charts
CycleTime Estimating Chart
Model
308E2
CR SB 311D LRR
312D,
312D L 315D L
319D L,
319D LN
M314F,
M315D2
M316F,
M317D2,
M318F
M320F,
M320D2
M322F,
M322D2
Bucket Size L 220 450 520 520 800 610 750 900 1050
yd3 0.30 0.59 0.68 0.68 1.05 0.80 0.98 1.18 1.37
SoilType
Digging Depth m 1.8 1.5 1.8 3.0 3.0 3.0 3.0 3.0 3.0
ft 6'0" 5'0" 6'0" 10'0" 10'0" 10'0" 10'0" 10'0" 10'0"
Load Bucket min 0.08 0.07 0.07 0.07 0.09 0.05 0.06 0.06 0.08
Swing Loaded min 0.03 0.06 0.06 0.08 0.09 0.05 0.05 0.06 0.06
Dump Bucket min 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
Swing Empty min 0.08 0.05 0.05 0.06 0.07 0.04 0.04 0.05 0.05
Total CycleTime min 0.22 0.21 0.21 0.24 0.28 0.17 0.18 0.20 0.23
Packed Earth Sand/Gravel
CycleTime Estimating Chart
Model 320D2
320D RR,
321D CR,
323D2 324D 328D LCR 329D 336D
349D2,
349E,
349F 365C L 385C
Bucket Size L 800 800 1000 N/A 1100 1400 2400 1900 3760
yd3 1.05 1.05 1.31 1.44 1.83 3.0 2.5 5.0
SoilType
Digging Depth m 2.3 2.3 3.2 N/A 3.2 3.4 4.0 4.2 5.6
ft 8 8 10 10 11 13 14 18
Load Bucket min 0.09 0.09 0.09 N/A 0.09 0.09 0.13 0.10 0.19
Swing Loaded min 0.06 0.06 0.06 N/A 0.06 0.07 0.07 0.09 0.06
Dump Bucket min 0.03 0.03 0.04 N/A 0.04 0.04 0.02 0.04 0.03
Swing Empty min 0.05 0.05 0.06 N/A 0.06 0.07 0.06 0.07 0.07
Total CycleTime min 0.23 0.23 0.25 N/A 0.25 0.27 0.28 0.30 0.35
N/A = Not Applicable
Hard Clay
Hydraulic
Excavators