Maximum Allowable Truck Speeds - Komatsu 830E Shop Manual

10.2 Maximum Allowable Truck Speeds

MAX TRUCK MPH = (MAX. WHEEL RPM x ROLLING RADIUS) ÷ (GEAR RATIO x 168)
RPM/MPH CONVERSION FACTOR = MAX. WHEEL RPM ÷ MAX. TRUCK SPEED
MPH/RPM CONVERSION FACTOR = MAX. TRUCK SPEED ÷ MAX. WHEEL RPM
MAXIMUM TRUCK SPEED CHART FOR GIVEN WHEELMOTOR
GEAR
WHEEL
RATIO
MOTOR
XX.X:1
772 28.8
776 28.8
776 23.0
776 28.8
791 23.0
791 28.8
788 26.1
788 26.1
788 21.7
788 21.7
788 26.825
788 26.825
788 22.354
788 22.354
787 28.125
787 36.4
787 32.4
787 31.9
787 26.6
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MAX.
TIRE ROLLING
WHEEL
SIZE RADIUS
RPM
30 x 51 55.1 2750
30 x 51 55.1 2750
36 x 51 61.1 2750
36 x 51 61.1 2750
33 x 51 57.0 2750
33 x 51 57.0 2750
36 x 51 61.1 2320
37 x 57 65.4 2320
37 x 57 65.4 2320
36 x 51 61.1 2320
36 x 51 61.1 2320
37 x 57 65.4 2320
36 x 51 61.1 2320
37 x 57 65.4 2320
40 x 57 68.4 2320
40 x 57 68.4 2320
40 x 57 68.4 2320
40 x 57 68.4 2320
40 x 57 68.4 2320
Statex III Electrical Checkout Procedure
MAX. CONV. CONV.
TRUCK FACTOR FACTOR
MPH RPM/MPH MPH/RPM
31.32 87.81 0.01139
31.32 87.81 0.01139
43.48 63.24 0.01581
34.73 79.19 0.01263
40.57 67.79 0.01475
32.40 84.88 0.01178
32.33 71.76 0.01394
34.60 67.05 0.01491
41.62 55.74 0.01794
38.88 59.67 0.01676
31.48 73.69 0.01357
33.67 68.92 0.01451
37.75 61.45 0.01627
40.40 57.42 0.01741
33.58 69.06 0.01448
25.95 89.40 0.01119
29.15 79.58 0.01256
29.61 78.35 0.01276
35.51 65.33 0.01531
E3-49