Maybe - 1969 AUSTIN-WESTERN SUPER 300
http://www.machinerytrader.com/listingsdetail/detail.aspx?ohid=7265756
I thought this was interesting
http://www.sanjuancounty.org/archives/Commission%20Minutes%20-%20html/8January1968.htm
The bid of Western Road Machinery is as follows:
1 - Austin Western Super 300 Power Grader of 143 hp. G.M.C. 4-71 Diesel Engine
011 Clutch, Complete Cab, Front & Rear Windshield Wipers, H.D. Heating, Defroster, 60 amp Alternator, 2 headlights, 2 tail lights, 1 Dashlight, Hour Meter, Orbital Steering, 11 Tooth Scarifier, 13' Mollboard, 1400-24
12 Ply tires - tube type, Super 400 Wheels $26,882.00 1 - Giant "V" Plow 2,032.00 1 - Snow Wing Mounted 2,625.00
Automatic Radiator Shutters 125.00
$31,664.00
Freight to Monticello 1,000.00
32,664.00
Less Trade for Cat 12 8,300.00
$24,500.00
Salesman: /s/ W. A. Bubel Buyer: San Juan County
By: /s/ Marion H. Hazleton