BAL 21100005 Powered C-Jack Exploded Parts Diagram & 12V Motor Guide

Identify individual service parts in the BAL Powered C-Jack 21100005 cross-frame stabilizer system. This guide follows BAL's official numbered parts diagram and parts list, distinguishes the full dual-motor assembly from replacement pieces, and links directly to matching components listed at NewRVParts.

Model identification matters: BAL 21100005 uses two independently controlled 12-volt motors and 25-inch C-Jack legs. BAL explicitly cautions that a manual C-Jack is not a direct replacement for a powered C-Jack. Do not assume another BAL model's components interchange based solely on appearance.

BAL 21100005 factory exploded parts diagram

Manufacturer reference BAL official 21100005 powered C-Jack exploded drawing with parts 1 through 10Open original manufacturer PDF
Actual BAL factory 21100005 exploded parts diagram with numbered callouts and complete parts list. Displayed from the original manufacturer's technical manual. If your browser cannot load the embedded drawing, open the exact factory diagram and parts table.
View optional simplified assembly illustration
BAL 21100005 powered C-Jack schematic with manufacturer part-reference numbers Original simplified locator illustrating two independent C-jack legs joined by a cross-frame support. It identifies arm and link assembly numbers 1 and 2, pivot hardware 3 through 5 and 7, foot pads 6, and separate motor drive assembly 8, 9, and 10. Not a scale exploded diagram. 1 · links2 · arms6 · footpads 8 · drive rod9 · coupler10 · motor 3–5, 7 fastenersSimplified component-location drawing — refer to the BAL factory exploded diagram

This simplified illustration shows the major assembly parts. Numbers 1–10 match BAL's parts table. The exact manufacturer exploded drawing is included in the original BAL Powered C-Jack manual (page 1).

Complete C-Jack system, motor and drive coupler

Select a photo to see the complete powered stabilizer, replacement motor or drive coupler in the store. These parts are sold separately.

BAL 21100005 complete 25-inch dual-motor powered C-Jack cross-frame stabilizerBAL 21100005Complete powered 25-in cross-frame C-Jack systemView part detailsBAL 231000 replacement 12-volt powered C-Jack motor and gearboxBAL 231000Replacement 12-volt jack motor and gearboxView part detailsBAL 20300030 D-to-square motor drive coupler for a powered C-JackBAL 20300030D-to-square motor drive couplerView part details

BAL 21100005 parts by factory number

The factory quantities below describe the complete 21100005 system, not what is supplied with every individually sold service component. N/S means the part is not shown in the original numbered drawing.

Callout BAL part number Part and purpose System qty
1 P855132 25-in C-Jack link, black 4
2 P855130 25-in stabilizer arm assembly 2
3 502113 3/8-16 × 3/4-in hex bolt 2
4 501063 3/8-16 hex locking nut 4
5 R853050 3/8-16 × 4-in hex bolt 2
6 23100 C-Jack single footpad 2
7 854171 10-24 × 3/4-in self-tapping screw 4
8 855134 25-in C-Jack threaded drive rod 2
9 20300030 D-to-square motor drive coupler 2
10 231000 12-volt motor and gearbox assembly 2
N/S R857076 Drive-rod retaining clip 2
N/S R270399 1/4-in mounting screws 8
N/S 20300027 Black 12-volt switch 2
N/S 20300031 15-amp automatic-reset 12-volt breaker 2

Select a motor, coupler or complete assembly

231000 motor: BAL identifies callout 10 as its 12V motor-and-gearbox assembly; the complete jack has two motors. Match the original motor label and mounting before ordering.

20300030 coupler: callout 9 connects the matching motor drive and jack drive rod. Inspect original shaft geometry and coupler type; do not assume universal fitment.

21100005 complete assembly: appropriate when replacing the entire matching powered cross-frame system, subject to trailer frame dimensions, mounting and wiring requirements.

C-Jack foot pads: BAL identifies 23100 as a single replacement pad (factory callout 6; two pads in a complete 21100005 system). BAL also specifies 23200 as a two-pad bolt-on kit for manual and powered C-Jacks, including 21100005. The 23200 kit contains two 5½-inch square pads with bolts. Confirm the mounting tabs and original pad arrangement before ordering.

Mounting, electrical and operation notes

  • Confirm the RV frame/sub-frame can support the stabilizer's intended loads and has a suitable unobstructed mounting surface. BAL's installation manual specifies 66.5–70.5 in frame widths and a minimum 8-in unobstructed mounting area per side; verify both dimensions and follow the factory mounting and wiring steps.
  • Two 12V switches allow individual leg control. The original parts list identifies two 15-amp automatic-reset breakers under 20300031.
  • These jacks are intended for fine leveling and stabilizing a parked travel trailer or fifth wheel, not for raising tires off the ground or supporting wheel-service work.
  • Never use a cordless drill to override a powered jack's gearbox; BAL warns this can damage the unit.
  • Retract both stabilizers fully before moving the trailer.

Factory exploded diagram, wiring and identification documents

BAL official 21100005 manual (exploded drawing, PDF) BAL technical downloads and motor / wiring references

Use the BAL manual for the complete assembly drawing, mounting clearances, circuit breakers and operating instructions. Verify the installed system revision and existing electrical connections before replacing components.

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