120-Ton - GTA25/GTA776HS
Graph Key
* Stall Gradeability Limit
** Equivalent Grade = Grade + Rolling Resistance
EVW = Empty Vehicle Weight
GVW = Gross Vehicle Weight
All applications must be approved by GE Transportation, Mining - Erie, PA
To determine truck speed at a specific equivalent grade and weight, start with the truck weight, trace down to the specific equivalent grade, and from that intersection, move horizontally until you reach the motoring curve. At the intersection, trace down to determine the corresponding truck speed.
Retarding Graph

General System Specifications
| Alternator | GTA25 |
| Motorized Wheels | GE776HS |
| Statex III Control | 41A253301 |
| Dynamic Retarding | 41A253231 |
| Tire Size | 30:00 x 51 |
| Rolling Radius | 55.1 inches (1.4 m) |
| Gear Ratio | 28.8 to 1 |
| Alternate Gear Ratio | 23 to 1 |
General Truck Specifications
Weight
Payload 240,000 lbs (108,900 kg)
Empty Weight 215,000 lbs (97,520 kg)
Gross Vehicle Weight 455,000 lbs (206,400 kg)
Gross Horsepower 1,200 hp @ 1,900 rpm
- (894.84kw @ 1,900 rpm)
Motoring Graph





























