Standard Log Truck with stingerPrepared by: Mark Ferry
January 24, 1999
FE 444: Bridge Design Project
Vehicle Specifications
Standard Log Truck with stinger
|
Axle No. (front to back) |
Axle load (lbs) |
Axle spacing (ft) |
|
1 |
9 500 |
|
|
2 |
15 000 |
15 |
|
3 |
15 000 |
4.5 |
|
4 |
16 250 |
18 |
|
5 |
16 250 |
4.5 |
GVW = 72 000 lbs
Wheel base = 42-ft
Wheel width = 6-ft
Lane width = 10-ft
Information Source: Forestry Handbook by SAF
Self-propelled yarder (Skagit T-90) with BU-737 winch
|
Axle No. (front to back) |
Axle loads including fuel and 4 drums w/ lines (lbs) |
Axle loads excluding fuel and 4 drums w/o lines (lbs) |
Axle spacing (ft) |
|
1 |
19 020 |
27 250 |
|
|
2 |
19 020 |
27 250 |
4.5 |
|
3 |
44 380 |
27 250 |
9.5 |
|
4 |
44 380 |
27 250 |
4.5 |
GVW = 126 800 lbs (includes fuel and 4 drums w/lines)
= 109 000 lbs (no fuel and 4 drums without line)
Weight BU-737 winch = 38 000 lbs (4 drums without line)
Wheel base = 18.5-ft
Wheel width = 7-ft 9-in
Lane width = 11-ft 3-in
Length = 6-ft 11-in (includes reach in front due to tower)
Information Source: Bendix Logging Equipment Catalog
Trailer mount yarder (WA 137) towed by standard tractor
|
Axle No. (front to back) |
Axle loads including fuel and 4 drums w/ lines (lbs) |
Axle loads excluding fuel and 4 drums w/o lines (lbs) |
Axle spacing (ft) |
|
1 |
9 500 |
9 500 |
|
|
2 |
14 630 |
11 630 |
15 |
|
3 |
14 630 |
11 630 |
4.5 |
|
4 |
58 520 |
46 520 |
21.25 |
|
5 |
58 520 |
46 520 |
4.83 |
GVW (WA-137) = 146 300 lbs (includes 4 drums with line, fuel, and spar)
= 116 300 lbs (4 drums w/o fuel and lines)
Wheel base (Tractor + WA 137) = 45.58-ft
Wheel width (WA 137) = 8-ft 10-in
Lane width = 12-ft 11-in
Length (WA 137) = 65-ft 9.5-in (includes reach in front due to tower)
Information Source: Washington Model 137 Spar Yarder design specifications manual
Tractor w/ low-boy hauling a CAT 245 hydraulic excavator
|
Axle No. (front to back) |
Axle load (lbs) |
Axle spacing (ft) |
|
1 |
8 030 |
|
|
2 |
19 625 |
17 |
|
3 |
19 625 |
4.33 |
|
4 |
19 161 |
12.5 |
|
5 |
19 161 |
4.33 |
|
6 |
19 625 |
27.58 |
|
7 |
19 625 |
4.33 |
|
8 |
20 089 |
13.75 |
Cat 245
GVW (Cat 245) = 144 941 lbs
Track Gauge (Cat 245) = 10-ft 7-in
Wheel width (Cat 245) = 12-ft 2-in
Length (Cat 245) = 43-ft 3-in
Information Source: Caterpillar Performance Handbook, Edition 28
Tractor/Low-boy configuration*
No. axles = 8 (2 axle Jeep plus 1 axle Booster)
Haul Weight = up to 158 800 lbs
Wheel base = 83.82-ft
Wheel width = 6-ft
Lane width = 12-ft 2-in
* based on General-Western Heavy Hauler Trailers
Information Source: Forest Road Design Handbook
