Allison Transmission Parts
from TransDiesel Transmission can be shipped the same day in most cases.
TransDiesel Transmission Parts Inventory
Listed By Transmission Models, Parts Number And Description

OEM Parts For Allison Transmission Model AT500

OEM Parts For Allison Transmission Models HD 4000 / B500
OEM Parts For Allison Transmission Model HT- 700
OEM Parts For Allison Transmission Models MD300 / B300- 400
OEM Parts For Allison Transmission Models MD3066 / B400 Only
OEM Parts For Allison Transmission Models MT 640, 643, 650 & 653
Our large inventory of OEM Allison transmission parts includes a large line of new and rebuilt Allison automatic transmissions, and Allison Automatic transmission cores. All transmission parts can be shipped the same day in most cases. Call our Sales and Service Departments at 407-295-1221 or Email.

OEM (Original Equipment Manufacturer) Parts For Allison Transmission Model AT500
Allison Transmission Parts # 23012438 OEM Seal & Gasket Kit
Allison Transmission Parts # 29511860 OEM Oil Pump Bushing
Allison Transmission Parts # 29541338 OEM Oil Pump Assembly
Allison Transmission Parts # 29537356 OEM Front Support Assembly
Allison Transmission Parts # 23014304 OEM Kit Shaft
Allison Transmission Parts # 29514487 OEM Torque Converter (270)
Allison Transmission Parts # 29514487 OEM Torque Converter (275)
Allison Transmission Parts # 29514486 OEM Torque Converter (290)
Allison Transmission Parts # 6885145 OEM PTO Gear
Allison Transmission Parts # 6838361 OEM PTO Gear Snap Ring
Allison Transmission Parts # 29509660 OEM FWD Clutch Housing Assy
Allison Transmission Parts # 29505875 OEM Wave Plate
Allison Transmission Parts # 9414211 OEM FWD Clutch Needle Bearing
Allison Transmission Parts # 6831667 OEM FWD Clutch Thick Race
Allison Transmission Parts # 6831733 OEM FWD Clutch Thin Race
Allison Transmission Parts # 23013454 OEM FWD Clutch Inner Hub Trst Wsr
Allison Transmission Parts # 23015732 OEM 4th Clutch Driving Hub
Allison Transmission Parts # 6831634 OEM FWD Clutch Inter Hub
Allison Transmission Parts # 29530330 OEM FWD & 4th Clutch Steel Plate
Allison Transmission Parts # 23042197 OEM FWD & 4th Clutch Fibre Plate
Allison Transmission Parts # 6884278 OEM FWD & 4th Clutch/A) Piston
Allison Transmission Parts # 6884279 OEM FWD & 4th Clutch/B) Piston
Allison Transmission Parts # 6884280 OEM FWD & 4th Clutch/C) Piston
Allison Transmission Parts # 23045233 OEM FWD & 4th Clutch Springs
Allison Transmission Parts # 8623104 OEM FWD & 4th Clutch/Spring Ret.
Allison Transmission Parts # 23015985 OEM FWD & 4th Clutch/Drum Snp R.
Allison Transmission Parts # 23017763 OEM 4th Clutch Backing Plate
Allison Transmission Parts # 23017766 OEM 4th Clutch Housing Assy
Allison Transmission Parts # 29513445 OEM 3rd Clutch Backing Plate
Allison Transmission Parts # 29537887 OEM 2nd & 3rd Clutch Fibre Plate
Allison Transmission Parts # 29515399 OEM 2nd & 3rd Clutch Steel Plate
Allison Transmission Parts # 29513445 OEM 2nd Clutch Backing Plate
Allison Transmission Parts # 23013015 OEM Center Support Assembly
Allison Transmission Parts # 23012990 OEM Center Support Bushing
Allison Transmission Parts # 6835937 OEM Sun Gear Shaft Assembly
Allison Transmission Parts # 6836272 OEM Sun Gear Shaft Bushing
Allison Transmission Parts # 23013474 OEM Mainshaft
Allison Transmission Parts # 6831603 OEM Spiral Snap Ring
Allison Transmission Parts # 6831658 OEM Front Sungear Thrust Washer
Allison Transmission Parts # 23046074 OEM Front Planetary Carrier Assy
Allison Transmission Parts # 6831673 OEM Front Planetary Thrust Washer
Allison Transmission Parts # 6831676 OEM Center Planetary Carrier Assy
Allison Transmission Parts # 6837719 OEM Rear Planetary Carrier Assy
Allison Transmission Parts # 6831692 OEM Rear Sun Gear Thrust Washer
Allison Transmission Parts # 6884900 OEM Rear Sun Gear Needle Bearing
Allison Transmission Parts # 6884901 OEM Rear Sun Gear Race
Allison Transmission Parts # 6884902 OEM Rear Sun Gear
Allison Transmission Parts # 6831705 OEM 1st Clutch Steel Plate
Allison Transmission Parts # 23042198 OEM 1st Clutch Fibre Plate
Allison Transmission Parts # 29510814 OEM 1st Clutch Bcking Plate .683-93
Allison Transmission Parts # 29510815 OEM 1st Clutch Bcking Plate .647-57
Allison Transmission Parts # 29510816 OEM 1st Clutch Bcking Plate .611-21
Allison Transmission Parts # 6880251 OEM 1st Clutch Piston Rel. Spring
Allison Transmission Parts # 23012036 OEM 1/8 Pipe Plug
Allison Transmission Parts # 9409954 OEM 1/16 Pipe Plug
Allison Transmission Parts # 6883025 OEM Rubber Vent Cover
Allison Transmission Parts # 6882757 OEM Vent Assembly
Allison Transmission Parts # 23048272 OEM Modulator
Allison Transmission Parts # 6835931 OEM Modulator Pin
Allison Transmission Parts # 8622947 OEM Output Shaft Bushing
Allison Transmission Parts # 29502231 OEM Output Shaft Bushing New
Allison Transmission Parts # 29536981 OEM Output Shaft Rear Snap Ring
Allison Transmission Parts # 23045387 OEM Governor Gear
Allison Transmission Parts # 29503064 OEM Governor Drive Gear
Allison Transmission Parts # 23018625 OEM Governor Gashet
Allison Transmission Parts # 29540976 OEM Thin Filter Kit
Allison Transmission Parts # 29538491 OEM Thick Filter Kit
Allison Transmission Parts # 29501160 OEM Oil Pan Gasket
Allison Transmission Parts # 29532686 OEM Oil Pan Magnet
Allison Transmission Parts # 23045906 OEM Oil Pan - Deep Light Gray
Allison Transmission Parts # 29501358 OEM Oil Pan - Deep Dark Gray
Allison Transmission Parts # 23049415 OEM Shallow Pan
Allison Transmission Parts # 29538501 OEM Oil Pan Spacer (Thick)
Allison Transmission Parts # 23017521 OEM Oil Pan Tube (Thick)
Allison Transmission Parts # 29500738 OEM Oil Pan Bolts
Allison Transmission Parts # 29505789 OEM Oil Pan Dran Plug
Allison Transmission Parts # 29507909 OEM Oil Pan Dran Plug Washer
Allison Transmission Parts # 29510997 OEM 5 Tooth Speedo Gear
Allison Transmission Parts # 29510999 OEM 8 Thooth Speedo Gear
Allison Transmission Parts # 29513278 OEM 16th Magnetic Speedo Gear
Allison Transmission Parts # 6885213 OEM Selector Shaft Kit
Allison Transmission Parts # 29520052 OEM Selector Shaft Nut
Allison Transmission Parts # 453570 OEM Steel Ball
Allison Transmission Parts # 6837460 OEM Cooler Port Plugs
Allison Transmission Parts # 6837461 OEM Filler Tube Plug
Allison Transmission Parts # 23046915 OEM Modulator Plug
Allison Transmission Parts # 8627650 OEM Modulator Retainer
Allison Transmission Parts # 29503065 OEM Speedo Plug - Plastic
Allison Transmission Parts # 29505794 OEM Speedo Plug - Steel
Allison Transmission Parts # 6838866 OEM Rear Cover
Allison Transmission Parts # 23047000 OEM Converter Strap
Allison Transmission Parts # 29501161 OEM PTO Cover Gasket
Our large inventory of OEM Allison transmission parts includes a large line of new and rebuilt Allison automatic transmissions, and Allison Automatic transmission cores. All transmission parts can be shipped the same day in most cases. Call our Sales and Service Departments at 407-295-1221 or Email.

Allison Transmission Parts

TransDiesel of
Central Florida
3710 N. Orange Blossom Trail
Orlando, FL 32804
Call For 1 Day Delivery
at 407-295-1221
America's #1 Supplier of OEM Allison Transmission Parts and Authorized Allison Dealer, Specializing in Sales and Service.

Helpful Tips For Troubleshooting
Models AT/MT(B)/HT/V
The references below outline the possible causes of transmission conditions and their remedies. Several possible causes and suggested remedies are indicated.

A - ABNORMAL SHIFTS
Shifts Occur at Too High Speed
Shifts Occur at Too Low Speed - Full Throttle
Rough Shifts
No Specific Shift; i.e.., 1-2, 2-3, 3-4, 4-5 (Up or Down)
Excessive Engine Flare
B - ABNORMAL ACTIVITIES OR RESPONSES

Excessive Creep in First and Reverse Ranges
No Response to Movement of Shift Selector Lever
Vehicle Moves Forward in Neutral
Vehicle Moves Backward in Neutral
Reverse Warning Buzzer and/or Vehicle Backup Lights Come on During Forward Operation
C - ABNORMAL STALL CHECK SPEEDS

High Stall Speeds
Low Stall Speeds
Stall Speed 50% of Normal
D - LEAKING OIL

Oil Leaking Into Converter Housing
Transmission Fluid Leak at Output Shaft
E - LOW PRESSURES

Low Main Pressure in All Ranges
Low Main Pressure in First Range, Normal Pressure in Other Forward Ranges
Low Lubrication Pressure
F - CLUTCH(ES) SLIPPING

Slipping and Chatter in Only One Range
Slipping in All Forward Ranges
G - EXCESSIVE ENGINE FLARE

Excessive Engine Flare
H - OVERHEATING IN ALL RANGES

Overheating in All Ranges
I - TRANSMISSION THROWS FLUID OUT OF FILL TUBE AND/OR BREATHER

Transmission Throws Fluid Out of Fill Tube and/or Breather
J - DIRTY TRANSMISSION FLUID

Dirty Transmission Fluid
K - NOISE OCCURRING INTERMITTENTLY (BUZZING)

Noise Occurring Intermittently (Buzzing)
L - VEHICLE WILL NOT PUSH START

Vehicle Will Not Push Start
M - CLUTCH(ES) SLIPPING - AT 540/542/1542/543/545/1545

Slipping in Fourth and Reverse Ranges Only
Slipping in First and Reverse; OK in Other Forward Ranges
N - CLUTCH(ES) SLIPPING - MT(B) 640/643/650/653

Slipping in First and Reverse Ranges Only Slipping in second or Third (MT 640, 643) or Third or Fourth (MT 650, 653) Only
Slipping in Fourth and Reverse Ranges Only
Slipping in Low Range Only (MT 650, 653)
Slipping in All Forward Ranges
O - CLUTCH(ES) SLIPPING - MT(B) 644/647, 654CR

Slipping in First and Reverse Ranges Only (MT(B) 644/647)
Slipping in First and Reverse Ranges (MT 654CR)
Slipping in Second or Third Ranges Only (MT(B) 644/647)
Slipping in Third or Fourth Ranges Only (MT 654CR)
Slipping in Fourth and Reverse Ranges Only (MT(B) 644/647)
Slipping in Fifth and Reverse Ranges Only (MT(B) 654 CR)
Slipping in First Range Only (MT(B) 644/647)
Slipping in Second Range Only (MT(B) 654CR)
Slipping in All Forward Ranges
P - CLUTCH(ES) SLIPPING - HT 700

Slipping in All Forward Ranges
Slipping in Reverse Range
Slipping in High and Reverse Ranges
Slipping in Second or Third or Fourth Range (5-Speed)
Slipping in Second or Third or Fourth Range (5-Speed)
Q - CLUTCH(ES) SLIPPING - V 730

Slipping in First and Reverse Ranges Only
Slipping in Third Range Only
Slipping in Second Range Only
Slipping in Third and Reverse Ranges Only
R - RETARDER NOT FUNCTIONING PROPERLY
(Models With Output Retarder)
Excessive Retarder Response Time
No Retarder Operation at Low Speed
No Retarder Operation at High Speed
Low Main and/or Retarder Pressure
No Retarder Output
Harsh Retarder Apply
Retarder Will Not Release