Time in use 18months,6 litres topup,changed the fullflow at 20,000km and toilet roll every 5,000.Elements not shown are zero,First row this sample at 30k,next row 25k on previous oil and last row 20k on previous oil to that.Lab is Caterpillar SOS.

Cu 4 4 5
Fe 26 20 14
Cr 2 2 2
Pb 4 4 3
Al 3 3 2
Si 8 2 2
Na 2 4 2
Sn 0 1 0
Mo 1 1 0
Mg 11 10 10
Zn 1245 1270 1193
Ca 3633 3456 3424
P 1017 1032 1019
B 1 2 4
Ag 0 1 1
K 0 1 0
NIT 11 10 9
ST 52 40 29
SUL 45 40 40
OXI 48 44 43
V40 91.0 89.4 87.8
PQ 2 na 7
Fuel <1 0 0

Comments from lab;The compartment wear levels and oil condition appear acceptable.Contnue to sample at regular intervals to monitor trends.

Engine is a 2.7 litre diesel