Overview
The CaseIH Steiger 550 Quadtrac is an articulated crawler farm tractor manufactured in Fargo, North Dakota, starting in 2011. It is powered by a 12.9L 6-cylinder Iveco diesel engine rated at 550 hp, paired with a 16-speed full power shift transmission. Technical specifications include a ballasted weight of 56,000 lbs and a rear hitch lift capacity of 19,728 lbs.
Ideal Applications
Tested Drawbar and Pulling Output:
According to OCED Tractor Test 2048, the tractor demonstrated a maximum drawbar power of 434.20 hp and a maximum pull of 52,446 lbs while utilizing a 16-speed crawler configuration.
Engine and Emission Configuration:
The Iveco 12.9L engine features a two-stage turbocharged intercooled system with selective catalytic reduction to meet Interim Tier 4 emissions standards, supported by a 470-gallon fuel tank.
Hydraulic and Hitch Capacity:
The system utilizes a closed center pressure flow compensated hydraulic pump providing up to 42 gpm total flow to support a Category 4N rear hitch with a 19,728 lb lift capacity.
Production
| Description | Articulated Crawler tractor / Built in Fargo, North Dakota, USA |
|---|---|
| Manufacturer | CaseIH |
Engine
| Engine type | Iveco 12.9L 6-cyl diesel |
|---|---|
| Exhaust fluid (DEF) | 64 gal (242.2 L) |
| Fuel tank | 470 gal (1779.0 L) |
| Bore/Stroke | 5.315x5.906 inches (135 x 150 mm) |
| Description | Iveco / two-stage turbocharged intercooled and aftercooled diesel / 6-cylinder 24-valve / liquid-cooled |
| Displacement | 787 ci (12.9 L) |
| Emission control | selective catalytic reduction (SCR) |
| Emissions | Interim Tier 4 |
| Maximum Power | 605 hp (451.1 kW) |
| Power | 550 hp (410.1 kW) |
| Rated RPM | 2100 |
| Drawbar (tested) | 434.20 hp (323.8 kW) |
| PTO (claimed) | 475 hp (354.2 kW) |
| PTO (tested) | 535.77 hp (399.5 kW) |
Transmission
| Clutch | electro-hydraulic wet discs |
|---|---|
| Gears | 16 forward and 2 reverse |
| Transmission type | 16-speed full power shift |
| Type | full power shift |
Mechanical
| Description | Surveyor cab standard. |
|---|---|
| Drive | articulated crawler |
Hydraulics
| Pump flow | 35 gpm (132.5 lpm) |
|---|---|
| Rear valves | 4 to 8 |
| Total flow | 42 gpm (159.0 lpm) |
| Type | closed center pressure flow compensated (PFC) |
Hitch
| Rear lift | 19,728 lbs (8948 kg) |
|---|---|
| Rear Type | 4N |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 (1-3/4) |
Electrical
| Batteries | 2 |
|---|---|
| Battery CCA | 1000 |
| Battery volts | 12 |
| Charging amps | 200 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ballasted weight | 56,000 lbs (25401 kg) |
|---|---|
| Weight | 53,804 lbs (24405 kg) |
| Wheelbase | 154 inches (391 cm) |
Dimensions & Tracks
| Description | Tracks |
|---|---|
| Weight | 53,804 lbs (24405 kg) |
| Wheelbase | 154 inches (391 cm) |
OCED Tractor Test 2048
| Description | Diesel 16-speed crawlerNovember 13 - 19, 2012Link: OCED Tractor Test 2048 file / PTO performance / Drawbar performance / Gear 4 used for power test. / Gear 1 used for pull test. |
|---|---|
| Fuel use | 27.9 gal/hour (105.6 l/hour) / 26.3 gal/hour (99.5 l/hour) / 27.7 gal/hour (104.8 l/hour) / 27.5 gal/hour (104.1 l/hour) |
| Max power | 535.77 hp (399.5 kW) / 434.20 hp (323.8 kW) |
| Max pull | 52446 lbs (23789 kg) |
| Power at rated engine speed | 474.47 hp (353.8 kW) |
| Power at rated PTO speed | 517.43 hp (385.8 kW) |
References
| Description | Steiger Series Tractors published in 2011, by CaseIH |
|---|
Variants
| 550 | wheeled tractor |
|---|---|
| 550QT | crawler tractor |