1917 / 2440
23-290 Edition 47
Wheel Loaders
IntegratedToolcarriers
Production and Machine Selection Nomograph
●
To find required bucket payload and bucket size
1. Enter required hourly production on Scale B 230 m
3
/hr
(300 yd
3
/hr).
2. Enter cycles per hour on Scale A (60 ÷ .6 = 100
×
.75 = 75 cycles/hr).
3. Connect A through B to C. This shows a required
payload of 3 m
3
(4 yd
3
) per cycle.
4. Enter estimated bucket fill factor on Scale D (0.95).
5. Connect C through Scale D to E for required bucket
size 3 m
3
(4 yd
3
).
6. Transfer cycles per hour Scale A and required pay-
load Scale C to the following page.
m
3
/cycle
yd
3
/cycle
m
3
/hr
yd
3
/hr
m
3
yd
3
A
B
C
D
E
Cycles
per hour
Hourly
Production
Volume
Required
PayloadVolume
Bucket Fill
Factor
Required
Bucket