2004 Gulfstream Atrium P65

Engine Caterpillar C7 Cummins ISL
turbocharged, aftercooled turbocharged, aftercooled
7.2 L electronic diesel 8.9 L electronic diesel
Peak Hp 350 Hp @ 2,400 rpm 400 Hp @ 1,900 rpm
Peak Torque 860 lb•ft (1165 N•m) 1200 lb•ft (1627 N•m)
@ 1,440 rpm @ 1,300 rpm
Transmission Allison 3000MH six-speed automatic with lock up
Gear Ratios First Second Third Fourth Fifth Sixth Rev
3.49:1 1.86:1 1.41:1 1.00:1 .75:1 .65:1 5.03:1
Vehicle Weight Ratings
Front GAWR 12,000 lb (5448 kg)
Rear GAWR 20,000 lb (9080 kg)
GVWR 32,000 lb (14 528 kg)
GCWR * 42,000 lb (18 160 kg)
Wheelbase 276 in (7010 mm)
Front Axle I-Beam Wide track
Capacity 12,000 lb (5448 kg)
Track Width 81.9 in (2080 mm)
Rear Axle
Drive Ratio 4.78:1 4.63:1
Capacity 20,000lb (9880 kg) 20,000 lb (9880 kg)
Track Width 72.1 in (1830 mm) 72.1 in (1830 mm)
Brakes Full air brakes with ABS
Front Service 15 x 4 in. drum- S-cam
Rear Service 16.5 x 7 in. drum- S-cam
Parking Rear 16.5 x 7 in. drum
Spring-applied air release
Cooling System
Radiator Core 2 rows, 15 FPI, 1,050 in2 2 rows, 14 FPI 1,050 in2
Radiator Type Cross-flow, rear mounted Cross-flow, side mounted
Charge Air Cooler Cross-flow, rear mounted Cross-flow, side mounted
Transmission Oil Cooler Water-to-oil Water-to-oil
Fan Belt driven Variable speed, hydraulic
Electrical System
Alternator Leece Neville 160 amp Leece Neville 200 amp
Starting Denso, 12 volt Delco, 28 MT 12 volt
Battery Two 950 CCA @ 0oF (-18oC); maintenance-free
Frame Raised Frame Rail Construction
Max Resist. Bending Moment 291,000 lb•in (32 892 N•m)
Max Frame Section 9.00 x 2.75 x .25 in (229 x 70 x 4.8 mm)
Fuel Tank 150 gal (568 L), dual fill
Steering System TRW TAS-65
Rating 12,000 lb (5448 kg)
Ratio 20.4:1
Wheel Cut** 50°
Suspension Neway air suspension (front and rear)
Shock Absorber Tuned shocks, Sachs
Heavy-Duty Stabilizer Bar Diam 1.50 in (38 mm) (front)
Tires XZE 275/80R 22.5 LRG
Wheels 4 Aluminum 2 Steel 22.5 x 8.25 in (572 x 210 mm)
with 10 bolt lugs 11.25 in (285.75 mm) diameter
bolt center
Instrumentation Gauges: Speedometer with odometer