Insular Lumber Company

I'm trying to get all the info I can on all the locomotives operated by the Insular Lumber Company. I've found a lot so far but heres what I need to complete it:
#6 - Any info on this loco would help, I havent found anything.
#9&11 - 3 Truck shays built by Lima, need Serial#, Class, Disposition etc...
SN2606 - Class C 60-3 Shay built by Lima 10/26/12, Need ILCo road#.
(Owner history of SN2606:
Norman B. Livermore & Co. #104, San Francisco, CA
Stone & Weber Construction Co., Big Creek RR. #104, El Prado, CA
(1913) San Joaquin & Eastern RR #104, Auberry, CA
Lassen Lumber & Box Co. #24, Susanville, CA
(5-21-1925) For sale
(3-3-1929) Returned to service
(3-30-1929) Red River Lumber Co. #111, Susanville, CA
(10-14-1937) Cadwallader Gibson Lumber Co., Limay, Bataan Province, Philippines
(3-1941) Converted to 42" gauge
(3-3-1941) Insular Lumber Co., Fabrica, Negros Occidental, Philippines)Disposition: Scrapped)
SN1666 - Class B 37-2 shay built by Lima 6/22/06, Need ILCo Road#.
(Owner history of SN1666:
Norman B. Livermore & Co. #5, San Francisco, CA
Mill Valley & Mt. Tamalpais Scenic Ry #5, Mill Valley, CA
(1913) Mt. Tamalpais & Muir Woods Ry, #5, Mill Valley, CA
(1917) Leased to: Hetch Hetchy RR, Hetch Hetchy Jct., CA
(1920) Pacific Car & Equip. Co., San Francisco, CA [rebuilt]
(11-7-1930) United Commercial Co., Hyman-Michaels Co, San Francisco, CA
Kewanee Boiler Corp., Portland, OR
(1-15-1934) Port Lamon Lumber Co. #5, Port Lamon, Mindanao, Philippine Islands
(5-1937) Madrigal & Co. #5, Port Lamon, Mindanao, Philippine Islands
(5-10-1938) Insular Lumber Co., Fabrica, Negros Occidental, Philippine Islands)