Billet Aluminum Case – 3.812″ Bore

NOT SOLD INDIVIDUALLY
Pinion supports are unique to this case
Many components are case specific
Shown for technical information only

7075-T73 AEROSPACE ALUMINUM
– Superior strength & high stress resistance

VIBRATORY STRESS RELIEVED
– Utilizing sub-harmonic vibrational energy

SOLUTION HEAT TREATED
– Ensures consistent mechanical properties

.650” THICK MOUNTING FLANGE
– Provides a rigid foundation

RAISED CROSS RIB DESIGN
– Increases stiffness throughout unit

• WRAP AROUND DESIGN MAIN CAPS
– Enhances main cap strength and rigidity

AISI 8740 STEEL BULLET END MAIN STUDS
– 38% higher yield strength than typical chrome moly
– Allows increased clamping force on main caps

MASSIVE WALL SECTIONS IN TAIL BEARING AREA
– Provides exceptional tail bearing support

OIL SCAVENGING CHANNEL
– Enhanced pinion bearing lubrication

EXTENSIVE LIGHTENING ON CASE AND SUPPORT
– Removes 1.5 lbs over comparable Ultra Case

ACCEPTS 10” DEVELOPMENT GEAR SET
True finished ring gear O.D. 9.625”

TYPE II ANODIZED
– For corrosion protection

EXTRA WIDE TAIL BEARING
– Increases load capacity

BOLT-ON TAIL BEARING RETAINER
– Firmly secures tail bearing

DEDICATED 10” PINION SUPPORT AVAILABLE
– Eliminates pinion support spacer

See Packages Below to Build a Complete Center Section
P5381LT
3.812″ case, 9″ / 9 1/2″ tapered support, & install kit for 35 spline pinion

P5381LT-10
3.812″ case, 10″ tapered support, & install kit for 10″ 35 spline pinion

P5381LB
3.812″ case, 9″ / 9 1/2″ taper / ball support, & install kit for 35 spline pinion

P5381LB-10
3.812″ case, 10″ taper / ball support, & install kit for 10″ 35 spline pinion

Remaining Parts Required – Spool, Gear Set, & Yoke or Coupler