Overview
The CaseIH Steiger 645 Quadtrac is an articulated crawler tractor produced from 2024 to the present, featuring an FPT 12.9L 6-cylinder turbocharged diesel engine. It is equipped with a 17-speed PowerDrive full power shift transmission and a track-based drive system with a 154-inch wheelbase. Notable specifications include a maximum gross power rating of 689.4 hp and a maximum weight capacity of 67,000 lbs.
Ideal Applications
Engine and Power Ratings:
The FPT Cursor 13 engine is rated at 636.2 hp at 2100 RPM, reaching a maximum gross power of 689.4 hp and a claimed PTO output of 529.6 hp.
Load and Lift Specifications:
The tractor features a Category 4 drawbar and a Category IVN rear hitch with a lift capacity of 22,250 lbs measured at 24 inches from the hitch point.
Transmission and Chassis Layout:
The drivetrain utilizes a 17-speed full power shift transmission with an articulated crawler configuration and planetary final drives.
Production
| Description | Articulated Crawler tractor |
|---|---|
| Manufacturer | CaseIH (a part of CNH) |
Engine
| Engine type | FPT 12.9L 6-cyl diesel |
|---|---|
| Exhaust fluid (DEF) | 85 gal (321.7 L) |
| Fuel tank | 470 gal (1779.0 L) |
| Bore/Stroke | 5.31x5.91 inches (135 x 150 mm) |
| Description | FPT Cursor 13 / turbocharged diesel / 6-cylinder 24-valve / liquid-cooled |
| Displacement | 787 ci (12.9 L) |
| Emissions | Tier IV |
| Maximum Power (gross) | 689.4 hp (514.1 kW) |
| Rated Power (gross) | 636.2 hp (474.4 kW) |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
| Engine (gross) | 636.2 hp (474.4 kW) |
| Engine (max) | 689.4 hp (514.1 kW) |
| PTO (claimed) | 529.6 hp (394.9 kW) |
Transmission
| Gears | 17 forward and 2 reverse |
|---|---|
| Transmission | PowerDrive |
| Transmission type | 17-speed full power shift |
| Type | full power shift |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | Articulated power steering |
| Drive | articulated crawler |
| Final drives | planetary |
Hydraulics
| Pump flow | 42 gpm (159.0 lpm) |
|---|---|
| SCV flow | 35 gpm (132.5 lpm) |
| Type | closed center |
| Valves | 4 to 8 |
Hitch
| Drawbar | Cat 4 |
|---|---|
| Rear lift (at 24"/610mm) | 22250 lbs (10092 kg) |
| Rear Type | IVN |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 (1.75) |
Electrical
| Batteries | 3 |
|---|---|
| Battery CCA | 950 |
| Battery volts | 12 |
| Charging amps | 240 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Flange rear axle | 88 inch length (2235 mm) |
|---|---|
| Front axle | Flange: 88 inch length (2235 mm) |
| Wheelbase | 154 inches (391 cm) |
CaseIH Steiger 645 Quadtrac Weight
| Max capacity | 67000 lbs (30391 kg) |
|---|---|
| Max Drawbar | 6000 lbs (Cat 4) (2721 kg) |
| Shipping | 56800 lbs (25764 kg) |
Dimensions & Tracks
| Description | Tracks |
|---|---|
| Weight | 56800 lbs (25764 kg) |
| Wheelbase | 154 inches (391 cm) |
References
| Description | TAFS Connect Steiger published in 2024, by New Holland |
|---|