Caterpillarwork toolbroom-angle

Caterpillar BA30

Maintenance schedule, common problems & OEM parts breakdown

The Cat BA30 is not a powered machine — it is a passive, hydraulically driven angle-broom work tool with no engine, no ECM, and no undercarriage of its own. It carries a sweeping width of roughly 3000 mm (118 in) and a brush diameter around 915 mm (36 in), with an operating weight of about 500 kg (1102 lb) in Manual form and about 510 kg (1124 lb) in Hydraulic, 24V form; weight climbs toward the 780 kg range once a water tank kit is fitted and filled. Cat offers the BA30 in two base configurations: a Manual unit where the operator sets the broom angle mechanically, and a Hydraulic, 24V unit where the angle is set electro-hydraulically from the cab through the carrier's 12V/24V circuit. Both accept an optional water-spray kit, available with either a 167 L (44 gal) or 600 L (159 gal) tank, to knock down dust during sweeping. It mounts via a standard quick-coupler to skid steer loaders, compact track loaders, backhoe loaders, and compact wheel loaders, and it runs entirely off the host carrier's auxiliary hydraulic circuit. There is no predecessor or successor to track — the BA30 is a current-production work tool, not a machine generation with a service history to split.

The BA30 sits in the middle of Cat's angle-broom size ladder, alongside the smaller BA18/BA22/BA25 and the larger BA118/BA121, all sharing a common coupler philosophy so one fleet's carriers can swap broom sizes as jobs demand. Because it has no engine or drivetrain, there is no generational split to track the way there is on powered machines — the broom's identity stays constant across its production life. Its relevance in the used and parts market comes down to wear-item economics: bristle cores wear on a predictable cycle and get replaced or indexed rather than the whole attachment being retired, and hydraulic motors and angle cylinders are serviceable in place. Buyers shopping used BA30 units should judge them on bristle-core condition, coupler wear, and hydraulic motor performance rather than model-year, since coupler compatibility across skid steer, track loader, backhoe loader, and wheel loader fleets is what keeps a used broom moving between owners and carrier classes.

Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.

Caterpillar BA30 specifications

Engine

Power source	None. BA30 is a passive hydraulically/manually driven angle broom work tool with no onboard engine; it draws hydraulic power from the host machine (skid steer loader, compact track loader, backhoe loader, compact wheel loader, or small wheel loader).
Emissions tier	Not applicable, no engine on the attachment itself.

Weights

Operating weight, Manual angle configuration	500 kg (1,102.3 lb)
Operating weight, Hydraulic 24V angle configuration	510 kg (1,124.4 lb)
Operating weight, Manual 24V with water tank configuration	780 kg (1,720 lb) — heavier build includes onboard water tank
Ground pressure	Not published; the broom head is a suspended, wheel-less unit that maintains constant ground contact pressure across its float range rather than a rated ground-pressure figure.

Dimensions

Overall width, straight position	3200 mm (126 in)
Sweeping width, straight position	3000-3002 mm (118-118.1 in)
Overall width, angled ±30°	2799 mm (110.2 in)
Sweeping width, angled ±30°	2601 mm (102.4 in)
Brush diameter	915 mm (36 in)
Height (standard configurations)	1519 mm (59.8 in)
Length (standard configurations)	1631 mm (64.2 in)
Length, with-water configuration	2324 mm (91.5 in) — extended by onboard water tank
Height, with-water configuration	1565 mm (61.6 in)
Sweep angle range	30 degrees left or right of straight, adjustable hydraulically or manually depending on model

Performance

Brush speed at maximum flow, standard configurations	303 rpm
Brush speed at maximum flow, with-water configuration	450 rpm
Optimal hydraulic flow	42-300 L/min (11-80 gpm)
Optimal hydraulic pressure	150-260 bar (2,176-3,771 psi)
Motor displacement	310 cc/rev (18.9-19.0 in³/rev)
Required hydraulic circuit	Standard-flow auxiliary hydraulics; drive is direct-drive to the brush core
Travel/gradeability	Not applicable; this is a mounted work tool with no independent travel speed or gradeability rating

Service capacities (summary)

Fuel tank	Not applicable, no engine on the attachment
Hydraulic system	Powered entirely by carrier's hydraulic system; no dedicated onboard hydraulic reservoir
Engine oil	Not applicable
Cooling system	Not applicable
Water tank kit (accessory), small option	167 L (44 gal)
Water tank kit (accessory), large option	600 L (159 gal), used on the with-water 24V manual configuration

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

BA30 fluids & capacities

System	Capacity	Recommended fluid
Engine crankcase (with filter)	Not applicable	BA30 is a passive angle broom work tool with no onboard engine; it has no crankcase and no engine oil requirement.
Cooling system	Not applicable	No engine or radiator on this attachment; no coolant system exists to service.
Fuel tank	Not applicable	No fuel system on this attachment.
Transmission / powertrain compartments	Not applicable	The brush core is turned directly by a hydraulic motor; there is no gearbox, torque converter, or powershift compartment to fill.
Final drives	Not applicable	No final drives fitted; the bristle core is turned directly by its hydraulic motor shaft.
Hydraulic system and tank	Not applicable — no dedicated reservoir on the attachment itself	The broom head's hydraulic motor and, on hydraulic-angling versions, the angle cylinder run off the carrier machine's own auxiliary hydraulic circuit; the attachment has no oil reservoir of its own. Fill and service hydraulic oil per the host backhoe loader, skid steer, compact track loader, or compact wheel loader's own operation and maintenance manual, matching that machine's climate-graded viscosity guidance. No separate BA30 fill point exists.
Axles / differentials	Not applicable	No drive axle or differential; the unit mounts to the carrier's coupler or loader arms and rides on its own suspension/guide points, with no gear case of its own.
Grease (angle-frame pivots, bearing points, and mounting bracket)	Spec only — no fill quantity published	Lubricate the broom's angle-frame pivots, bristle-core bearing points, and mounting bracket fittings with Cat Multipurpose Grease (NLGI Grade 2, lithium-complex EP) or an equivalent multipurpose EP2 grease, servicing each fitting until fresh grease purges from the joint per the standard periodic lubrication interval. No separate cold-weather/hot-weather grease grade is published specifically for this attachment beyond the grease's own service temperature range.

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Caterpillar BA30 maintenance schedule

Service interval	Tasks
Every 50 h	Inspect bristle wear pattern and check for uneven wear, breakage, or bristle loss across the core Check pivot pins, mounting bracket, and coupler for looseness or damage before and after use Inspect hydraulic hoses, fittings, and the angle cylinder for leaks or chafing Verify the leveling indicator and angle function (manual or hydraulic 24V) operate correctly Check water-spray nozzles and lines for clogging or damage on water-kit-equipped units
Every 50 h	Grease the pivot plate, pivot pin, and caster/mount bracket points per the OMM lubrication chart Check coupler pins and bushings for measurable wear or play against the carrier's coupler Inspect the angle-cylinder rod and seals for seepage or scoring Check gear-case or bearing lubricant level at the fill/level plug and top off if low Inspect frame welds and fasteners for looseness after abrasive-surface work
Every 250 h	Inspect the hydraulic motor housing and shaft seal for case leakage Check bristle core wear against the service limit and index or rotate the core if wear is uneven Inspect water tank kit fittings, pump, and spray bar for corrosion or restricted flow Torque-check mounting bolts, coupler wedge/lock hardware, and cylinder pin retainers
Every 500 h	Replace bristle segments or the broom core once wear reaches the service limit Check the angle cylinder for internal bypass under load and rebuild if drift is present Verify hydraulic motor output against carrier flow specification to catch early internal wear Inspect wiring harness, connectors, and the 24V solenoid valve for corrosion on Hydraulic 24V units
Every 1,000 h	Replace pivot bushings and pins showing measurable clearance Rebuild the angle-cylinder seal kit if any seepage was noted at prior inspections Flush and inspect the hydraulic motor internals; replace if output has degraded Inspect and service water tank kit hoses, strainer, and pump diaphragm for wear
Every 2,000 h	Rebuild or replace the broom core and drive coupling as a set Replace coupler wear plates and bushings to restore carrier-mount tolerance Replace or rebuild the hydraulic motor if flow/torque output remains below specification after service Inspect suspension linkage components that hold constant ground pressure and replace worn pivots
Every 3,000 h	Perform a full structural inspection of the broom frame and mounting arms for fatigue cracking Replace all cylinder and motor seal kits as a preventive set regardless of visible leakage Re-verify leveling indicator calibration and angle-stop settings Assess whether the full water tank kit assembly should be replaced due to corrosion or fitting wear

Servicing the BA30 beyond the schedule

Predictive Maintenance & Wear Monitoring

Bristle wear is the leading indicator on a BA30 — track sweeping-pattern width and bristle length loss to schedule core replacement before performance drops off. Watch the gerotor hydraulic motor's flow/torque output against carrier specification; a slow decline flags internal wear before it fails outright. Angle-cylinder drift under load signals seal wear early. Check coupler pin and bushing clearance on a set interval, since play there feeds directly into uneven ground contact and accelerated bristle wear.

Corrective & Common Repairs

Common BA30 failures center on the angle cylinder, coupler, and pivot hardware: cylinder seal seepage causing angle drift, worn coupler pins/bushings letting the broom shift under load, and pivot bushing wear causing the core to sag off level. On Hydraulic, 24V units, corroded connectors or a failed solenoid valve are the usual cause of an angle function that won't respond — check wiring continuity before assuming a cylinder or motor fault.

Overhaul & Rebuild Points

Major rebuild points are the broom core/bristle segments once worn to limit, pivot bushings and pins showing measurable clearance, the angle-cylinder seal kit, and the hydraulic motor itself when case-drain flow or torque output falls off. The suspension linkage that maintains constant ground pressure without support wheels should be checked for worn pivots at the same interval, since that geometry directly controls even bristle wear across the core.

Seasonal & Environment Servicing

Water-kit units need the tank, lines, pump, and spray bar drained ahead of freezing weather to prevent cracked fittings; nozzles should be cleared of mineral or dust buildup before storage. Cold weather also calls for a hydraulic warm-up cycle before full-flow sweeping, since carrier circuit viscosity affects motor and cylinder response. In heavy dust or fine-debris conditions, check the coupler and pivot points more often for packed material that accelerates wear and interferes with angle movement.

BA30 common service parts

Part number	Part	Notes
8T-7915	Adapter-To Transmission Filter	Scheduled service item	Check fitment →
311-0060	Filter-Water	Scheduled service item	Check fitment →
236-0836	Filter-Water	Scheduled service item	Check fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

BA30 attachments & work tools

Core work tool type

BA30 is an angle broom attachment, not a host machine. Sold as a Manual version and a Hydraulic 24V version; both use 50/50 replaceable polypropylene/steel-wire bristle sections as standard, convertible to all-wire or all-poly for special applications.

Carrier/host machine compatibility

Rated for skid steer loaders, compact track loaders, backhoe loaders, compact wheel loaders and small wheel loaders (roughly 938-962 class on the wheel loader side). Same broom size is marketed across this whole carrier range rather than being tied to one machine.

Coupler/mounting interface

Mounts via a hook-group style bracket interface; on wheel-loader-class carriers this is commonly paired with IT or Fusion coupler hook groups, while skid-steer/CTL carriers use the standard skid-steer quick-attach hook plate. Confirm hook-group compatibility with your carrier's coupler before ordering.

Angle control (Manual vs Hydraulic 24V)

Manual version is repositioned by hand; Hydraulic 24V version uses an electro-hydraulic 24-volt circuit to angle the brush from the cab. Both angle up to 30 degrees left or right and also sweep straight.

Hydraulic kit requirements

Broom rotation needs carrier auxiliary hydraulics in roughly 42-300 L/min (11-80 gpm) at 150-260 bar (2,176-3,771 psi), standard-flow circuit; motor displacement is about 18.9 in3/rev giving up to roughly 303 rpm brush speed at max flow. Actual usable range varies by carrier auxiliary circuit sizing.

Sizing/capacity for this class

Sweeping width about 3,000 mm (118.1 in) straight, narrowing to roughly 2,600 mm (102.4 in) when angled to 30 degrees; overall width about 3,200 mm (126 in) straight and 2,800 mm (110.2 in) angled; brush diameter about 915 mm (36 in); weight class approximately 510 kg (1,124 lb) for the hydraulic version.

Dust/water kit option

An optional water sprinkler kit is offered to wet the sweeping path and cut down airborne dust; treat as a factory/dealer-installed option rather than standard equipment.

Guarding/hood configuration

Front hood is adjustable across 4 angle settings to control debris throw and containment. Suspension design keeps constant brush ground pressure through a range of vertical motion, removing the need for separate support/caster wheels.

All BA30 assemblies by section

Every catalogued assembly group for the Caterpillar BA30. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Electrical System

220-0464 Conversion Gp-Work Tool

10***05	Kit-Receptacle; (6-Pin)(Display Monitor Harness)	1
11***05	Grommet	1
15***74	Kit-Connecting Plug; (6-Pin)(Cat Electronic Display Harness)	1
15***58	Cover	1

See all parts with full part numbers in Heavy Parts AI →

205-9410 Kit-Wiring

11***91	Fuse; (15-Ampere)	1
11***05	Grommet	1
15***95	Nut; (1-1/2-18-Thd)	1
15***96	Lockwasher	1

See all parts with full part numbers in Heavy Parts AI →

173-2190 Wiring Gp-Work Tool

11***91	Fuse; (15-Ampere)	1
15***95	Nut; (1-1/2-18-Thd)	1
15***96	Lockwasher	1
17***90	Wiring Group-Work Tool	1

See all parts with full part numbers in Heavy Parts AI →

Frame And Body

166-6695 Frame Gp-Broom

08***66	Locknut; (M8x1.25-Thd)	5
09***43	Screw-Drive; (M6x1-Thd)	6
13***17	Coupling	2
13***19	Carrier	2

See all parts with full part numbers in Heavy Parts AI →

165-5508 Frame Gp-Broom

08***66	Locknut; (M8x1.25-Thd)	6
09***43	Screw-Drive; (M6x1-Thd)	12
13***17	Coupling	2
13***19	Carrier	2

See all parts with full part numbers in Heavy Parts AI →

203-2600 Frame Gp-Broom

08***66	Locknut; (M8x1.25-Thd)	2
09***43	Screw-Drive; (M6x1-Thd)	8
13***16	Flange	4
13***17	Coupling	2

See all parts with full part numbers in Heavy Parts AI →

175-2248 Indicator Gp-Height

08***66	Locknut; (M8x1.25-Thd)	1
17***17	Pendulum-Indicator	1
17***48	Indicator Group-Height	1
17***41	Spacer; (8x10x7-mm Thk)	1

See all parts with full part numbers in Heavy Parts AI →

177-0151 Link Gp-Adjustable

17***49	Link	1
17***50	Pin-Lock	1
17***51	Link Group-Adjustable	1
6V***88	Nut-Self Locking; (M20x2.50 Thd)	1

See all parts with full part numbers in Heavy Parts AI →

Hydraulic System

165-5497 Cylinder & Lines Gp-Broom

13***03	Solenoid	2
16***25	Orifice	1
16***97	Cylinder & Lines Group-Broom	1
20***95	Manifold-Control	1

See all parts with full part numbers in Heavy Parts AI →

202-8990 Cylinder & Lines Gp-Broom

13***03	Solenoid	2
16***25	Orifice	1
20***95	Manifold-Control	1
20***97	Block-Manifold	1

See all parts with full part numbers in Heavy Parts AI →

165-5498 Cylinder & Lines Gp-Broom

16***25	Orifice	1
16***39	Solenoid	2
16***98	Cylinder & Lines Group-Broom	1
20***94	Manifold Group-Control	1

See all parts with full part numbers in Heavy Parts AI →

155-5022 Cylinder & Lines Gp-Broom

15***22	Cylinder & Lines Group-Broom	1
15***46	Hose As	1
16***25	Orifice	2
16***39	Solenoid	2

See all parts with full part numbers in Heavy Parts AI →

205-5272 Cylinder Gp-Hydraulic

14***62	Link	1
14***63	Nut	1
20***72	Cylinder Group-Hydraulic	1
6V***88	Nut-Self Locking; (M20x2.50 Thd)	2

See all parts with full part numbers in Heavy Parts AI →

200-0726 Kit-Quick Disconnect

15***17	Cap-Dust	1
19***25	Fitting As; (Quick Disconnect, Female)	1
19***26	Fitting As; (Quick Disconnect, Male)	1
19***78	Cap-Dust	1

See all parts with full part numbers in Heavy Parts AI →

200-0725 Kit-Quick Disconnect

20***25	Kit-Quick Disconnect	1
6V***08	Seal-With Adapter	2
6W***88	Fitting As; (Quick Disconnect, Male)	2
6W***90	Cap As-Dust	2

See all parts with full part numbers in Heavy Parts AI →

204-1259 Kit-Quick Disconnect

14***48	Fitting As; (Quick Disconnect, Male)	2
18***74	Cap-Dust	2
19***96	Adapter	2
20***59	Name-Plate (Lubrication), Kit-Quick Disconnect	1

See all parts with full part numbers in Heavy Parts AI →

200-0724 Kit-Quick Disconnect

20***24	Kit-Quick Disconnect	1
6V***08	Seal-With Adapter	2
6W***89	Fitting As; (Quick Disconnect, Female)	1
6W***91	Plug As	2

See all parts with full part numbers in Heavy Parts AI →

176-7287 Lines Gp-Connecting

17***84	Hose As	2
17***87	Lines Group-Connecting	1
17***99	Bulkhead As	2
20***90	Cap	2

See all parts with full part numbers in Heavy Parts AI →

165-6027 Lines Gp-Connecting

13***28	Clamp; (Half)	4
15***48	Hose As	2
16***27	Lines Group-Connecting	1
17***05	Adapter As	2

See all parts with full part numbers in Heavy Parts AI →

202-8991 Lines Gp-Connecting

20***91	Lines Group-Connecting	1
20***78	Plate; (Rh)	1
20***80	Plate; (Lh)	1
5K***90	Seal-To Hydraulic Cooler Inlet Port	4

See all parts with full part numbers in Heavy Parts AI →

165-8982 Lines Gp-Hydraulic

13***28	Clamp; (Half)	4
16***82	Lines Group-Hydraulic	1
16***19	Hose As	2
18***97	Bracket	1

See all parts with full part numbers in Heavy Parts AI →

Service Equipment And Supplies

165-9817 Film Gp

14***47	Film; (Identification) (24v) (On Outside Of Battery Compartment Door)	1
15***33	Film-Identification; (12-Volt)	1
15***35	Film-Warning; (Crush Hazard, Stay Back)	2
15***36	Film-Warning; (Read Operation Manual)	1

See all parts with full part numbers in Heavy Parts AI →

166-3455 Film Gp

15***33	Film-Identification; (12-Volt)	1
15***35	Film-Warning; (Crush Hazard, Stay Back)	2
15***36	Film-Warning; (Read Operation Manual)	1
15***37	Film-Warning; (No Clrn, Flying Obj, Stay Back)	2

See all parts with full part numbers in Heavy Parts AI →

202-8992 Film Gp

14***47	Film; (Identification) (24v) (On Outside Of Battery Compartment Door)	1
15***35	Film-Warning; (Crush Hazard, Stay Back)	2
15***36	Film-Warning; (Read Operation Manual)	1
15***37	Film-Warning; (No Clrn, Flying Obj, Stay Back)	2

See all parts with full part numbers in Heavy Parts AI →

Work Tool Arrangement

202-8999 Broom Ar-Angle

14***60	Harness As-Work Tool	1
15***55	Connector	2
20***89	Brush Group-Broom	1
20***90	Cylinder & Lines Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

164-8487 Broom Ar-Angle

14***60	Harness As-Work Tool	1
15***55	Connector	2
16***87	Broom Ar-Angle	1
16***98	Cylinder & Lines Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

157-5880 Broom Ar-Angle

14***60	Harness As-Work Tool	1
14***63	Diode	2
15***80	Broom Ar-Angle	1
15***55	Connector	2

See all parts with full part numbers in Heavy Parts AI →

164-8484 Broom Ar-Angle

14***60	Harness As-Work Tool	1
14***63	Diode	2
15***55	Connector	2
16***84	Broom Ar-Angle	1

See all parts with full part numbers in Heavy Parts AI →

202-7700 Broom Ar-Angle

17***51	Link Group-Adjustable	1
20***00	Broom Ar-Angle	1
20***89	Brush Group-Broom	1
20***91	Lines Group-Connecting	1

See all parts with full part numbers in Heavy Parts AI →

162-3973 Broom Ar-Angle

14***60	Harness As-Work Tool	1
15***22	Cylinder & Lines Group-Broom	1
15***23	Spray Group-Water	1
15***19	Bracket Group-Mounting	1

See all parts with full part numbers in Heavy Parts AI →

202-7699 Broom Ar-Angle

14***60	Harness As-Work Tool	1
14***63	Diode	2
15***55	Connector	2
17***51	Link Group-Adjustable	1

See all parts with full part numbers in Heavy Parts AI →

202-9000 Broom Ar-Angle

14***60	Harness As-Work Tool	1
14***63	Diode	2
15***55	Connector	2
20***89	Brush Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

164-8485 Broom Ar-Angle

16***85	Broom Ar-Angle	1
16***04	Bracket Group-Mounting	1
16***08	Frame Group-Broom	1
16***27	Lines Group-Connecting	1

See all parts with full part numbers in Heavy Parts AI →

164-8488 Broom Ar-Angle

14***60	Harness As-Work Tool	1
14***63	Diode	2
15***22	Cylinder & Lines Group-Broom	1
15***19	Bracket Group-Mounting	1

See all parts with full part numbers in Heavy Parts AI →

164-8486 Broom Ar-Angle

14***60	Harness As-Work Tool	1
15***55	Connector	2
16***86	Broom Ar-Angle	1
16***98	Cylinder & Lines Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

Work Tools

203-2599 Bracket Gp-Mounting

15***49	U-Bolt	8
20***99	Bracket Group-Mounting	1
32***36	Locknut; (M12x1.75-Thd)	16

See all parts with full part numbers in Heavy Parts AI →

204-7497 Bracket Gp-Mounting

15***49	U-Bolt	8
20***97	Bracket Group-Mounting	1
20***98	Bracket As-Mounting	2
32***36	Locknut; (M12x1.75-Thd)	16

See all parts with full part numbers in Heavy Parts AI →

204-7500 Bracket Gp-Mounting

15***49	U-Bolt	8
20***93	Bracket As-Mounting	2
20***00	Bracket Group-Mounting	1
32***36	Locknut; (M12x1.75-Thd)	16

See all parts with full part numbers in Heavy Parts AI →

204-7490 Bracket Gp-Mounting

15***49	U-Bolt	8
20***90	Bracket Group-Mounting	1
20***91	Bracket As-Mounting	2
32***36	Locknut; (M12x1.75-Thd)	16

See all parts with full part numbers in Heavy Parts AI →

165-5504 Bracket Gp-Mounting

15***49	U-Bolt	8
15***80	Bracket As-Mounting; (Rh)	1
15***90	Bracket As-Mounting; (Lh)	1
16***04	Bracket Group-Mounting	1

See all parts with full part numbers in Heavy Parts AI →

204-7494 Bracket Gp-Mounting

15***49	U-Bolt	8
20***94	Bracket Group-Mounting	1
20***95	Bracket As-Mounting	2
32***36	Locknut; (M12x1.75-Thd)	16

See all parts with full part numbers in Heavy Parts AI →

158-6319 Bracket Gp-Mounting

15***48	Bracket As-Mounting; (Rh)	1
15***49	U-Bolt	8
15***51	Bracket As-Mounting; (Lh)	1
15***19	Bracket Group-Mounting	1

See all parts with full part numbers in Heavy Parts AI →

302-8212 Brush Gp-Broom

13***61	Spacer; (254x275x30-mm Thk)	54
20***57	Brush As; (Steel)	27
30***11	Brush-Polypropylene	28
30***12	Brush Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

202-8989 Brush Gp-Broom

13***59	Bristle Group-Poly	34
13***60	Bristle Group-Steel	33
13***61	Spacer; (254x275x30-mm Thk)	66
20***89	Brush Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

166-7226 Brush Gp-Broom

13***61	Spacer; (254x275x30-mm Thk)	50
15***52	Brush-Polypropylene	26
16***26	Brush Group-Broom	1
20***57	Brush As; (Steel)	25

See all parts with full part numbers in Heavy Parts AI →

166-7227 Brush Gp-Broom

13***61	Spacer; (254x275x30-mm Thk)	56
15***52	Brush-Polypropylene	29
16***27	Brush Group-Broom	1
20***57	Brush As; (Steel)	28

See all parts with full part numbers in Heavy Parts AI →

302-8213 Brush Gp-Broom

13***61	Spacer; (254x275x30-mm Thk)	48
20***57	Brush As; (Steel)	24
30***11	Brush-Polypropylene	25
30***13	Brush Group-Broom	1

See all parts with full part numbers in Heavy Parts AI →

329-8634 Hook Gp-Coupler

15***49	U-Bolt	4
32***34	Hook Group-Coupler	1
32***35	Plate-Coupler	1
32***36	Locknut; (M12x1.75-Thd)	8

See all parts with full part numbers in Heavy Parts AI →

329-8631 Hook Gp-Coupler

15***49	U-Bolt	8
32***31	Hook Group-Coupler	1
32***32	Plate As-Coupler; (Rh)	1
32***33	Plate As-Coupler; (Lh)	1

See all parts with full part numbers in Heavy Parts AI →

317-4371 Hook Gp-Coupler

15***49	U-Bolt	8
31***71	Hook Group-Coupler	1
31***08	Plate As-Coupler; (Lh)	1
31***09	Plate As-Coupler; (Rh)	1

See all parts with full part numbers in Heavy Parts AI →

165-9855 Spray Gp-Water

12***78	Locknut; (M6x1-Thd)	5
14***30	Tank As; (Water)	2
14***41	Adapter	1
14***42	Fitting-Hose	2

See all parts with full part numbers in Heavy Parts AI →

155-5023 Spray Gp-Water

12***78	Locknut; (M6x1-Thd)	4
14***30	Tank As; (Water)	2
14***33	Clamp	1
14***39	Fitting-Hose	1

See all parts with full part numbers in Heavy Parts AI →

203-2590 Spray Gp-Water

12***70	Hose-Hydraulic; (9-In)	0
12***72	Hose-Hydraulic; (129-In)	0
14***26	Pump Group-Auxiliary Water	1
14***30	Tank As; (Water)	3

See all parts with full part numbers in Heavy Parts AI →

165-5517 Spray Gp-Water

12***78	Locknut; (M6x1-Thd)	5
14***26	Pump Group-Auxiliary Water	1
14***30	Tank As; (Water)	3
14***39	Fitting-Hose	1

See all parts with full part numbers in Heavy Parts AI →

BA30 serial number reference

The PIN plate for the BA30 is a small metal tag riveted to the broom frame or mounting bracket, usually near the pivot end or the quick-coupler plate. Read it as a 3-character prefix followed by a 5-digit sequence number; the prefix identifies the parts-book/model range the unit was built under, and the digits mark that unit's position within the range.

Prefix	Identifies	Notes
7AW	Angling broom parts-book range shared across BA22, BA25 and BA30	Cat parts-book coverage line reads "BA22, BA25 and BA30 ANGLING BROOMS 7AW00001-UP" — one book and one serial window spans all three widths (94 in / 98.4 in / 126 in) since mount, angle-control and hydraulic hardware are common across the family. The same prefix is also the BA25's own range; the tie to BA30 comes from the shared parts-book title, not a BA30-exclusive listing. Confirm against the unit's own PIN plate with your dealer.

Frequently asked questions

What engine does the Cat BA30 have?

None. The BA30 is a passive attachment with no engine or ECM of its own — it runs entirely off the host carrier's auxiliary hydraulic circuit, and the Hydraulic, 24V variant draws on the carrier's 12V/24V electrical system to actuate the angle-control solenoid.

What is the BA30's operating weight?

About 500 kg (1102 lb) for the Manual configuration and about 510 kg (1124 lb) for the Hydraulic, 24V configuration. Fitting an optional water tank kit adds weight, pushing units toward roughly 780 kg depending on tank size (167 L/44 gal or 600 L/159 gal) and fill level — actual weight varies by configuration.

What replaced the Cat BA30?

Nothing. The BA30 has no successor — it remains a current-production Cat work tool sold alongside the rest of the BA-family angle-broom lineup (BA18, BA22, BA25, BA118, BA121), sized between them on sweeping width rather than superseding or being superseded by any of them.

What BA30 owners discuss

What do owners say is the biggest cause of premature bristle wear on the BA30?

Most wear traces back to head adjustment and float use, not raw hours. The head should be set so only the bristle tips load the surface, adjusted evenly side to side; a bolt/nut style adjuster left uneven or seized from corrosion is a common complaint on angle brooms generally. Running the broom in float is flagged as the single fastest way to kill bristles, since the mounting frame's weight then rides on the brush instead of being carried by the suspension. Rotating or swapping the polypropylene/wire sections once they wear to roughly half length keeps ground pressure and sweep pattern consistent.

Is it normal for the angle function to feel sluggish or delayed when cold?

Yes. The BA30's angle cylinder runs entirely off the host carrier's hydraulics (or through an electric-over-hydraulic 24V control on the angling version), so response time is really a function of the carrier's oil temperature and circuit, not anything in the broom itself. Owners routinely cycle the broom for a few minutes to bring hydraulic oil up to temperature before working a full pattern in cold weather. If angling stays slow, jerky, or won't hold position after the oil has warmed up, that points to an internal cylinder or control-valve leak rather than temperature - have your dealer verify before continuing to run it.

There's a light oil weep at the hydraulic motor drive end - is that a problem?

A light weep at the motor shaft seal after extended service is a known wear pattern on any auxiliary-hydraulic broom, driven by heat cycling and debris packing around the motor housing during sweeping. It should be checked at every service interval with the machine shut down and pressure relieved, never checked by hand while pressurized. A weep that becomes an active drip, or that's worsening, is treated as a seal or coupling failure in progress. Any leak beyond a light weep, or a motor that's losing power, should go to a dealer to verify seal condition and case-drain pressure before it takes the motor out.

Do the quick coupler and mounting plate wear out from swapping attachments?

Yes, and it's called out often as a wear point on any skid-steer style attachment that gets connected and disconnected regularly. Repeated coupling cycles wear the coupler tips and auxiliary hydraulic fittings, and play can develop in the mounting plate's pins and latches well before the broom head itself is worn out. A broom that won't seat tight on the carrier, or whose couplers won't seal without weeping, is treated as a sign of hard use even when the bristles and motor look fine.

What's different about the 24V hydraulic-angle version versus the manual BA30?

The manual broom is angled by hand at the head; the hydraulic, 24V version angles off the carrier's hydraulics through an electric control run to the cab, plus a leveling indicator so the operator can see broom position without leaving the seat. That convenience adds one more failure point - the electrical connector and harness tying the broom's control into the carrier's auxiliary circuit. When the head won't angle from the cab, the first things checked are that connector, and the carrier's fuse or relay for the auxiliary circuit, since most no-angle complaints trace back there rather than to the broom itself. A suspected solenoid or internal wiring fault should still be confirmed by a dealer before further use.

Anything to watch for with the optional water spray kit?

The water kit cuts airborne dust but adds a tank, pump line, and nozzles that need their own upkeep. The recurring warning on any sprayer-equipped attachment is water trapped in low points of the lines, valves, or tank sump freezing during winter storage. Draining the tank, running the pump dry, and blowing the lines out with compressed air (or running a small amount of antifreeze through the system) before cold storage is standard practice. Skipping that step is the most common reason a water kit sprays unevenly or won't prime again the next season.

What should I check when looking at a used BA30?

Walk it in this order: bristle condition first - poly and wire sections worn past roughly half length, or worn unevenly on one side, signal either hard use or a head that was never adjusted evenly. Next, pivot and suspension play - the head should move freely through its vertical range with no slop, and any grease points should show evidence of having been serviced. Then the hydraulic motor and angle cylinder - wipe them down, cycle the broom, and watch for fresh weeping or drips at the seals. Finally the quick coupler and mounting plate - pins, latches, and coupler tips should seat and lock tight with no play. On a 24V version, also cycle the angle from the cab to confirm the electric control and leveling indicator actually work before agreeing on price. Any hydraulic or electrical fault found during inspection is worth having a dealer verify before purchase, since it affects both safe operation and resale value.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

Need a specific BA30 part?

Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.

Search parts in the app