NTRAK Measurements

Track Measure From rear Height Min radius Max grade Cable color Notes
Main Line 1 mm
in.
508
20
0
0
610
24
0%
0%
Red R
Main Line 2 mm
in.
470
18.5
0
0
610
24
0%
0%
Yellow R
Branch Line 1 mm
in.
432
17
0
0
457
18
1.5%
1.5%
Blue B
Branch Line 2 mm
in.
254
10
0
0
457
18
1.5%
1.5%
Blue/Yellow B
Mountain
  Line
mm
in.
100
4
+80
+3.125
305
12
3%
3%
Green O
Set Up
  Track
mm
in.
-32
-1.25
0
0
?
?
?
?
Green/Yellow O
Passing
  Track
mm
in.
546
21.5
0
0
?
?
?
?
Orange O
Nn3 Front mm
in.
559
22
-50
-2
?
?
?
?
Red/Green N
Nn3 Middle mm
in.
394
15.5
0
0
?
?
?
?
Yellow/Green N
Nn3 Rear mm
in.
162
6
+64
+2.5
?
?
?
?
Blue/Green N
NCat Front mm
in.
381
15
0
0
254
10
?
?
Special C
NCat Rear mm
in.
50
2
0
0
250
10
?
?
Special C
12V - - - - - White
Floor mm
in.
- -1015
-40
- - - A
Module Sizes mm  Length 1220, 1830, or 2440 Depth 610
in. Length 4', 6', or 8' Depth 2'
Extensions mm
in.
152 to front and/or rear
6 to front and/or rear

Notes: R Required
B Required - either BL1, BL2, BL1/BL2 transition or BL2/BL1 transition.
O Optional
N Required for Nn3 standard
C Required for NCat standard
A Must be adjustable + / - 25mm or 1"