Looks like it's coming along. I did one a couple of years ago, and this is what the American-LaFrance experts told me:
Frame - black or red (I used semi-gloss black, but that's me)
Engine - it's a Detroit Diesel 8V71 so it coule be either Detroit Diesel Alpine Green or red
Transmission - red oxide or (you guessed it) red
Pump - frame color (or red!)
Wheels - chrome or body color (more common)
Interior - body color
Seats - flat red
Dash, steering wheel - semi-gloss black
Interior floor, engine doghouse - silver (to simulate the diamond tread plating)
Tailboard & running boards - dulcoat to tone down the chrome
Ladders - either flat aluminum or wood brown with white tops
Do yourself a favor, and replace the hard suction hoses with 1/4" tubing. It will save you a lot of headaches. Also, you can replace the booster lines with #18 red electrical wire. It's more to scale.
These pics might help.
Interior:
Frame:
Over all:
Hope this helps!