I'm going to take the first colour chip from the top left side of the chart below and work down each column from top to bottom and then to the top of the next column, I'll also attempt to decipher the hand written notes and provide alternative Humbrol colour numbers to replace the original colours where these have been withdrawn as the original colour chart was prepared before Humbrol reduced the selection of paints available from their range of colours. All colours given for model making are aproximate ...
To obtain consistent results, all colours on the chart are painted over a grey primer.
Column 1 of 5
Standard Cummins Colour - Beige Gloss
Optare Buses / Dennis Specialist Vehicles / Foden
FS 30277 (Humbrol 84 Mid Stone + a little Humbrol 69 Yellow)
Ford - Blue Gloss
FS 15052 (Humbrol 14 French Blue + a little 21 Gloss Black)
Komatsu - Yellow Gloss
FS 13538 (Humbrol 24 Trainer Yellow + a little Humbrol 84 Mid Stone)
Case - Black Gloss
Seddon
FS 17038 (Humbrol 21 Gloss Black)
Column 2 of 5
Marine Grey
... unsure about this paint chip at the moment, possibly (Humbrol 41 Ivory + a little Humbrol 21 Gloss Black)
John Deere - Green Gloss
Originally (Humbrol 131 Satin Green + Gloss Varnish)
... possible replacement is Humbrol 120 Light Green + a little Humbrol 21 Gloss Black)
Melon Yellow Gloss
FS 13538 Originally (Humbrol 188 Chrome Yellow)
... possible replacement is Humbrol 24 Trainer Yellow + a little Humbrol 63 Sand)
Case - Tan Gloss
(50% Humbrol 7 Light Buff / 50% Humrol 82 Orange Lining)
Column 3 of 5
Charcoal Gloss
Dennis / ERF / Foden
FS 36076 (Humbrol 67 Tank Grey + Gloss Varnish)
Euro 1 Grey Gloss
FS 16099 (Humbrol 32 Dark Grey + Gloss Varnish)
Onan Green Gloss
Power Generator Sets
(Humbrol 88 Deck Green + a little Grey)
Tifana Yellow Gloss
Komatsu
(70% Humbrol 81 Pale Yellow / 30% Humbrol 69 Yellow)
Column 4 of 5
Japenese Grey Gloss
(Humbrol 140 Gull Grey + a little Brown)
Bluke Gloss
FS 17038 (Humbrol 85 Coal Black + a little Blue)
Titanium Black
(95% Humbrol 21 Gloss Black / 5% Humbrol 22 Gloss White)
Bright Red Gloss
Fire Pump Engines
FS 11302 (Humbrol 19 Bright Red)
Column 5 of 5
I.H.E Red Gloss (not a current colour at the time the chart was prepared)
(Humbrol 107 WW1 Purple + a little Humbrol 1 White Gloss)
Marine White Gloss (hand finished in super gloss white with chrome and polished metal parts)
(Humbrol 1 Gloss White + a little Humbrol 103 Cream)
Rail Blue Gloss
FS 15090 (90% Humbrol 190 Blue Angel / 10% Humbrol 22 White)
Leyland Primer - loose engines only, when engine is installed it is Humbrol 19 Gloss Black or Humbrol 158 Interior Green (military)
(Humbrol 32 Dark Grey + a little Blue)
Notes ...
1965 - 1985 Vee 504 - 555 Beige / Dodge Brotheres Red / Chrysler and Chrysler Cummins were Humbrol 19 Bright Red Gloss.
Engines from the Darlington Re-Con Centre were Lime Green (80% Humbrol 38 Lime Green / 20% Humbrol 22 White)
Dennis Engines may be Onan Green (Column 3) - Euro 2 Only