Transfer Case BW4465 for 2017-2019 F250/F350 6.7L Diesel Man Shift Rear Slip Yoke

Description

Machined for high-output diesel trucks, this BorgWarner BW4465 Transfer Case delivers manual four-wheel drive control across 2017 to 2019 Ford Super Duty 6.7L platforms. This unit processes 475 continuous horsepower at 3,800 input RPM, incorporating a 2.64:1 low gear crawler reduction. Range selection runs through a manual floor shift linkage matched to an extended rear slip yoke tailhousing.

Die-cast structural aluminum housing sections enclose precision-ground planetary gears made from carburized chromium steel. Sintered bronze synchronizer components and heavy-duty steel selector forks provide positive manual range retention under load. Internal oil capacity measures 2.0 quarts of synthetic Mercon LV fluid, cooled through casing surface radiation. Mounting utilizes an eight-bolt circular pattern paired with a 34-spline female input gear collar.

Key Features of BorgWarner BW4465

Fleet managers buy BorgWarner BW4465 transfer case packages to maintain total manual driveline dependability across municipal service trucks. Direct mechanical lever engagement provides foolproof four-wheel drive selection in harsh frozen environments.

• Compound 2.64:1 planetary reduction multiplies engine torque for demanding low-speed pulling and recovery work.
• Direct mechanical shift rail mechanism eliminates electric actuator motors for maximum field dependability.
• Extended rear slip yoke tailhousing accommodates large suspension travel without driveline binding.
• High-strength steel shift rail guides keep shift forks in perfect alignment under heavy driveline twist.
• Multi-link rocker-joint drive chain transfers front axle torque without dynamic chain slap or link fatigue.
• Cast aluminum casing withstands stone impacts and severe road salt exposure during winter operations.
• BorgWarner BW4465 internal pressure lubrication pump forces fresh fluid into high-load needle roller bearings.
• Heavy-duty 34-spline input gear hub withstands extreme turbo-diesel torque without spline distortion.

Rotational Torque Ratings Thermal Management

Continuous input torque capacity reaches 2,900 lb-ft through the planetary gear module during extreme low-range crawler service. A built-in trochoid oil pump pushes pressurized fluid through hollow mainshaft passages, maintaining internal oil temperatures between 155°F and 185°F. Radiative heat transfer from the ribbed aluminum exterior dissipates 3.1 kW into passing chassis airflow. Direct 1.00:1 high range provides smooth rear-wheel propulsion without internal planetary gear rotation.

Shaft Coupling Tolerances Flange Dimensions

Rear driveline connects through an extended internal 34-spline slip yoke tailhousing, while the front output utilizes a four-bolt companion flange with a 3.75-inch bolt circle. Robust internal roller thrust bearings restrain up to 6,200 pounds of driveshaft push force without case distortion. Front companion flange runout tolerance stays within 0.002 inches total indicator reading.

Shift Sequencing Maintenance Checkpoints

Shifting into low range requires zero vehicle road speed, foot brake application, and selection of neutral transmission range. This transfer case is not engineered for full-time four-wheel drive operation across dry paved highways without front hub disengagement. Fleet personnel must monitor external linkage pivots and clear the upper breather valve regularly.

• Inspect synthetic fluid level at the upper inspection plug each shift.
• Drain aged fluid and wipe clean the internal drain plug magnet every 500 hours.
• Lubricate external shift linkage pivot points and clean case breather every 12 months.

Warranty Statement Shipping Inventory

Every commercial driveline package carries a verified 1-Year commercial limited warranty against part defects. The reinforced wooden shipping box houses the complete transfer case unit, manual linkage bracket, slip yoke tailhousing, magnetic drain plug, and comprehensive setup instructions.