A750F 2005-2009 Lexus GX470 4.7L AWD/4WD – Remanufactured 5-Speed Automatic Trans

Description

Satisfy fleet uptime standards with a 192-pound casing dry weight, 175 PSI circuit pressure, and 325 lb-ft torque rating engineered for demanding full-time four-wheel-drive commercial passenger transit and regional shuttle operations. Fleets install the Lexus GX470 A750F Remanufactured Transmission in 2005 to 2009 models to eliminate shift flare and maintain schedule punctuality.

A rigid die-cast aluminum casing counters high torque deflection behind 4.7L 32-valve 2UZ-FE VVT-i V8 engines. Rebuilt valve bodies feature reamed hydraulic bores fitted with hard-anodized Sonnax sleeves that eliminate internal fluid cross-bleed. High-energy carbon composite clutch discs dissipate thermal loads across steel reaction plates. Specifications include an empty dry weight of 192 pounds without torque converter, an 11.2-quart Toyota Genuine WS fluid capacity, and standard 3/8-inch threaded cooler line ports.

Key Features of Lexus GX470

Fleet operators buy Lexus GX470 remanufactured transmission units to restore full-time four-wheel-drive dependability across luxury shuttle fleets. Every remanufactured 5-speed transmission integrates updated internal wear components designed to outperform original factory durability standards under severe transit duty.

• 175 PSI regulated pump pressure holds clutch discs tight under maximum acceleration.
• 5 forward gear ratios provide efficient engine RPM control across city and highway routes.
• Hard-anodized valve bore sleeves eliminate internal hydraulic pressure bypass inside the body.
• High-temperature carbon friction plates withstand thermal stress during continuous stop-and-go driving.
• Balanced lockup torque converters stop driveline shudder during high-speed cruising.
• High-displacement trochoid oil pumps maintain steady fluid volume across elevated temperatures.
• A Lexus GX470 transmission module utilizes calibrated pulse-width modulated solenoids.
• Reinforced planetary gear pinions resist mechanical wear under repeated throttle inputs.

Hydraulic Pressure Solenoid Thresholds

Main line fluid circuits generate 130 to 175 PSI pump pressure to hold clutch packs without slipping under load. Fluid sump temperatures stay within a safe 155°F to 185°F window to prevent fluid shear. The geartrain withstands 325 lb-ft continuous input torque at 3,400 RPM under High-Mileage Transit commercial service standards. Radiator cooler circuits dissipate 26 kW of thermal energy away from rotating components. Gear ratios include 3.52:1 in first, 2.04:1 in second, 1.40:1 in third, 1.00:1 in fourth, and 0.72:1 in overdrive.

GX470 Transfer Spline Interface

A precision-machined 23-spline rear output shaft mates straight with factory full-time four-wheel-drive transfer cases. The internal park pawl mechanism holds up to 1,650 lb-ft holding torque to hold loaded SUVs on steep mountain grades. Technicians must check driveshaft universal joint play and verify transfer adapter runout within 0.002 inch.

Luxury SUV Maintenance Guidelines

Pulse-width modulated shift solenoids communicate with the vehicle ECM to regulate fluid pressure and manage shift timing. This 5-speed transmission unit is not engineered for track drag strip racing, extreme rock crawling buggies, or commercial trailer towing exceeding vehicle chassis limits.

• Inspect transmission fluid level and fluid clarity using the overflow check plug each shift.
• Drain fluid pan and replace the internal pickup filter every 30,000 miles.
• Flush external cooler circuits and verify circuit line pressure every 12 months.

Luxury Transport Warranty Manifest

Purchase includes a 3-Year / 100,000-Mile commercial fleet warranty for complete operational peace of mind. The heavy wooden transport container holds the complete remanufactured transmission, a balanced lockup torque converter, new transfer case adapter seals, an installation manual, and an ATSG dyno verification test sheet with fluid pressure graphs.