Caterpillarwork toolbroom-pickup

Caterpillar BP25

Maintenance schedule, common problems & OEM parts breakdown

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The Cat BP25 is a hydraulically driven pickup broom work tool, not a self-powered machine. It carries no engine, ECM, transmission, undercarriage, or fuel and coolant system of its own; it draws all working power from its host carrier through a hook-type quick coupler and a third auxiliary hydraulic valve. Two hydraulic motors, 195 cm3/rev each, drive the brush core to a maximum 385 rpm using 40-150 L/min (11-40 gpm) at 150-260 bar (2176-3771 psi) supplied by the carrier. The attachment weighs approximately 650 kg (1433 lb), spans about 2700 mm (106 in) overall with a 2500 mm (98 in) sweeping width, and carries a 0.66 m3 hopper plus a 400 L (106 gal) integrated water tank for dust suppression during sweeping. It mounts to skid steer loaders, backhoe loaders, integrated toolcarriers, and wheel loaders fitted with a compatible coupler and third-valve circuit, sitting alongside the BP15, BP18, BP22, and BP24 pickup brooms and the BA18, BA22, BA25, and BA30 angle brooms as parallel sibling models sized for different carrier classes rather than a lettered succession.

Because the BP25 is an attachment rather than a standalone machine, there is no documented generation split tied to engine or chassis changes. Variation across units comes down to configuration: bristle material offered as polypropylene, all-wire, or a 50/50 poly-and-wire mix for abrasive work, 12V or 24V electrical compatibility for the leveling indicator, and a water spray kit. In the used and parts market the BP25 holds value because it bolts onto a wide range of common carrier classes already in dealer fleets. Buyers should weigh the condition of the two hydraulic motors, the water tank and pump, and the bristle sections first, since these wear fastest and drive most resale and repair cost; a broom with a sound coupler, tight mounting frame, and motors performing to the rated flow and pressure window is the difference between a usable attachment and an expensive rebuild.

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 BP25 specifications

Engine

Power sourceNone. BP25 is a passive hydraulically driven pickup broom attachment with no onboard engine or ECM. It runs off the host carrier's hydraulic system through two hydraulic motors.
Host machinesSkid steer loaders, backhoe loaders, integrated toolcarriers, and wheel loaders
Emissions tierNot applicable, no engine on the attachment

Weights

Operating weight (12V and 12V/24V variants)650 kg (1433 lb), consistent across both electrical configurations
Ground pressureNot published, not applicable to a carrier-mounted work tool

Dimensions

Overall width2700 mm (106.3 in)
Sweeping width2500 mm (98.4 in)
Length1830 mm (72 in)
Height1300 mm (51.2 in)
Brush diameter700 mm (27.6 in)
Hopper capacity0.66 m3 (0.9 yd3)

Performance

Optimal hydraulic flow40-150 L/min (11-40 gpm)
Optimal hydraulic pressure150-260 bar (2176-3771 psi)
Broom motor displacement195 cm3/rev (11.9 in3/rev) per motor, two motors total
Maximum brush speed385 RPM at maximum flow
Drive methodDirect drive
Hydraulic interface requirement3rd valve circuit with hook-group coupler
Electrical system compatibilityOffered in two variants: 12V only, and 12V or 24V. Mechanical, dimensional, and hydraulic specs are identical between the two; only electrical compatibility differs
Travel/gradeabilityNot applicable, this is a passive carrier-mounted attachment with no self-propulsion

Service capacities (summary)

Integrated water tank400 L (106 gal) for dust suppression during sweeping
Fuel tankNot applicable, no engine
Engine oilNot applicable, no engine
Cooling systemNot applicable, no engine
Hydraulic systemSupplied by host carrier; no dedicated onboard reservoir beyond the two broom drive motors

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

BP25 fluids & capacities

SystemCapacityRecommended fluid
Hydraulic system (broom drive)No dedicated onboard reservoir — BP25 has no engine or hydraulic tank of its own. Two hydraulic motors spin the broom core using flow and pressure supplied directly from the carrier machine's hydraulic circuit.Match the carrier machine's own hydraulic fluid spec (typically Cat HYDO Advanced 10 or equivalent Cat TDTO/hydraulic oil per that carrier's OMM). BP25 itself carries no separate fluid requirement — service follows the host loader/backhoe/toolcarrier's fluid chart, not a broom-specific one.
Water tank (dust-suppression spray system)400 L (106 US gal) integrated tankClean water only, no additive specified. Not a lubricant — feeds the spray bar/sprinkler kit that wets material ahead of the broom to knock down airborne dust. Drain in freezing conditions; no antifreeze spec published for this tank.
Grease (bearing and pivot points)Spec only — no fill volume given. Grease fittings at the broom-core outer and inner bearings (bristle side) and suspension pivot points; interval per the attachment OMM's lube chart.Cat Multipurpose Grease (MPGM), a lithium-complex grease for low-load, low-speed fittings, rated roughly -30 to 40 C (-22 to 104 F).

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

Caterpillar BP25 maintenance schedule

Service intervalTasks
Every 10 h
  • Daily: inspect bristle sections for wear, damage, or uneven ground contact before starting work.
  • Daily: check hydraulic hoses and the quick-coupler connection for leaks, cuts, or loose fittings.
  • Daily: check water tank level and confirm spray nozzles are not clogged.
  • Weekly: grease the hopper dump-cylinder pins and hopper pivot points.
  • Weekly: inspect the mounting frame and coupler hook for cracks, loose fasteners, or wear.
  • Weekly: confirm the leveling indicator and hopper latch operate correctly from the cab.
Every 250 h
  • Grease broom-frame suspension pivots and mounting-frame bushings.
  • Check hydraulic motor mounting bolts and coupler fasteners for correct torque.
  • Inspect bristle wear pattern for unevenness and index or rotate sections as needed.
  • Inspect water pump and spray-bar fittings for leaks or restricted flow.
  • Check hose routing for chafe points against the frame or carrier arm.
Every 500 h
  • Inspect both hydraulic motors for external leakage, shaft-seal weeping, or unusual noise.
  • Check full hose length for chafing, bulging, or cracking; replace as needed.
  • Inspect the quick-coupler hook and mounting pins for wear.
  • Flush the water tank to clear sediment buildup and clean spray nozzles.
  • Replace bristle sections worn beyond the usable service limit.
Every 1,000 h
  • Test brush speed and hydraulic motor performance under load against the 385 rpm / 150-260 bar (2176-3771 psi) baseline.
  • Replace hoses showing any age-related deterioration rather than waiting for failure.
  • Inspect the dump-cylinder seals for internal leakage or cylinder drift.
  • Torque-check all mounting-frame and coupler fasteners.
  • Inspect water tank mounting straps and pump drive for wear.
Every 2,000 h
  • Remove and inspect both hydraulic motors for internal wear; rebuild or replace as required.
  • Replace all bristle sections as a set regardless of visible wear.
  • Inspect broom-frame and mounting-frame welds for fatigue cracking.
  • Replace hydraulic hoses as a complete set regardless of individual condition.
  • Service or replace the quick-coupler hook assembly.
Every 4,000 h
  • Carry out a full teardown inspection of the hydraulic motor manifolds and mounting-frame structure for fatigue cracking.
  • Replace the water tank pump and spray-bar assembly.
  • Recondition the dump-cylinder bore and rod.
  • Evaluate broom-frame suspension bushings and pivot pins for complete replacement.

Servicing the BP25 beyond the schedule

Predictive Maintenance & Fluid Analysis

The BP25 has no engine or reservoir of its own; predictive care means watching the host carrier's hydraulic system for signs the broom motors are working harder than spec. Track brush speed against the 385 rpm/150-260 bar baseline; a falling rpm at rated flow points to internal motor wear before external leaks appear. Check case-drain return oil for metal fines each service interval, log bristle wear rate against hours, and watch water-tank sediment carryover into the spray nozzles as an early clue to tank or filter degradation.

Corrective & Common Repairs

Most BP25 repairs trace to the two hydraulic motors, hoses, and coupler rather than the broom itself. Common fixes: reseating or replacing worn shaft seals on a leaking motor, swapping chafed or cracked hoses at the coupler-to-motor run, and freeing a sticking dump cylinder after hopper debris packs the pivot. Clogged spray nozzles and a worn water pump are frequent dust-suppression complaints. Bristle sections wear unevenly on one side if the suspension float isn't level, so correct leveling-indicator setup before condemning bristles.

Overhaul & Rebuild Points

A full BP25 overhaul centers on the hydraulic motor pair, mounting frame, and hopper linkage rather than an engine or drivetrain. Rebuild motors when case-drain flow or brush rpm drops below spec, replacing shaft seals, bearings, and displacement components as a set on both motors together to keep sweeping torque balanced. Inspect the mounting frame and broom-tube welds for fatigue cracking from repeated float-and-lift cycling, recondition the dump-cylinder bore and pins, and replace bristle sections and hoses as complete sets at major rebuild rather than piecemeal.

Seasonal & Environment Servicing

Cold-weather lay-up: drain the 400 L water tank, spray bar, and pump completely to prevent freeze-cracking, since the system has no antifreeze circuit of its own. Flush accumulated sediment before storage. In abrasive or gritty environments, shorten bristle-wear inspections and check hydraulic hose fittings more often for grit-accelerated chafing at the coupler. In wet or muddy conditions, clear packed debris from the hopper pivot and dump-cylinder linkage daily so grease can still reach the pin, and rinse the mounting frame to slow corrosion at fastener points.

BP25 common service parts

Part numberPart
311-0060Filter-WaterCheck fitment →
8T-7915Adapter-To Transmission FilterCheck fitment →
160-4706Screen-FilterCheck fitment →
160-4719Filter-WaterCheck fitment →
236-0836Filter-WaterCheck fitment →

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BP25 attachments & work tools

Broom head / bristle sections

Standard bristle sections are replaceable polypropylene; sections can be swapped to all-wire or a 50/50 poly-and-wire mix for special-duty or debris-heavy applications. Sweeping width runs about 2500 mm (98.4 in) with an overall frame width near 2700 mm (106.3 in) and a 700 mm (27.6 in) brush diameter.

Integrated hopper

The BP25 sweeps material into a built-in hopper for collection and dumping rather than side-casting, giving roughly 0.66 m3 (0.9 yd3) of collection capacity. This is the defining difference from the angle-broom line, which pushes material to the side instead of collecting it.

Water/dust-suppression kit

An integrated water tank of about 400 L (106 gal) feeds a sprinkler kit that wets material ahead of the brush to cut airborne dust; this is standard equipment on the BP25.

Hydraulic drive requirement

Broom rotation is direct-drive off two protected hydraulic motors (about 195 cm3/rev / 11.9 in3/rev displacement each), needing a third auxiliary hydraulic valve on the carrier. Optimal flow is about 40-150 L/min (11-40 gpm) at 150-260 bar (2175-3770 psi), giving roughly 385 rpm brush speed at max flow; exact flow/pressure needed varies by host-machine configuration.

Mounting / coupler interface

The BP25 mounts via a hook-type quick-coupler group matched to the host machine class rather than a fixed pin-on frame; the correct hook group is selected per carrier at order time.

Electrical system options

Offered in a 12V-only version and a combined 12V-or-24V version to match the carrier's onboard electrical system, for lights/indicators on the tool, not for driving the broom itself.

Leveling / suspension features

A self-leveling suspension lets the broom float over the work surface without support wheels, keeping consistent bristle-to-ground contact as bristles wear; a cab-visible leveling indicator shows broom attitude to the operator.

Host-machine class

Sized for skid steer loaders, backhoe loaders, integrated toolcarriers, and wheel loaders in the mid-size class; the BP25 is the larger sibling of the single-motor BP22 pickup broom and sits within the same pickup-broom family as the smaller BP115C/BP118C units for compact carriers.

Parking/storage feature

Fold-down parking supports let the broom stand stably on its own when detached from the carrier, without needing a separate stand.

All BP25 assemblies by section

Every catalogued assembly group for the Caterpillar BP25. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Electrical System
173-2190 Wiring Gp-Work Tool
11***91Fuse; (15-Ampere)1
15***95Nut; (1-1/2-18-Thd)1
15***96Lockwasher1
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Frame And Body
166-3955 Frame Gp-Broom
08***66Locknut; (M8x1.25-Thd)20
09***43Screw-Drive; (M6x1-Thd)16
10***04Washer; (7.2x25x2-mm Thk)13
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166-4088 Frame Gp-Broom
08***66Locknut; (M8x1.25-Thd)18
09***43Screw-Drive; (M6x1-Thd)8
10***04Washer; (7.2x25x2-mm Thk)12
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138-9532 Indicator Gp-Height
13***31Limiter-Height1
13***32Indicator Group-Height1
17***41Spacer; (8x10x7-mm Thk)1
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175-2248 Indicator Gp-Height
08***66Locknut; (M8x1.25-Thd)1
17***17Pendulum-Indicator1
17***48Indicator Group-Height1
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311-0061 Kit-Water Pump -12-Volt
25***53Clamp2
28***76Pump As-Water; (12-Volt)1
31***57Coupling; (90-Deg)2
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311-0062 Kit-Water Pump -24-Volt
25***53Clamp2
28***04Pump As-Water; (24-Volt)1
31***57Coupling; (90-Deg)2
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Hydraulic System
200-0726 Kit-Quick Disconnect
15***17Cap-Dust1
19***25Fitting As; (Quick Disconnect, Female)1
19***26Fitting As; (Quick Disconnect, Male)1
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200-0725 Kit-Quick Disconnect
20***25Kit-Quick Disconnect1
6V***08Seal-With Adapter2
6W***88Fitting As; (Quick Disconnect, Male)2
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200-0724 Kit-Quick Disconnect
20***24Kit-Quick Disconnect1
6V***08Seal-With Adapter2
6W***89Fitting As; (Quick Disconnect, Female)1
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204-1259 Kit-Quick Disconnect
14***48Fitting As; (Quick Disconnect, Male)2
18***74Cap-Dust2
19***96Adapter2
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176-7287 Lines Gp-Connecting
17***84Hose As2
17***87Lines Group-Connecting1
17***99Bulkhead As2
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166-3947 Lines Gp-Hydraulic
16***15Hose As2
16***43Seal1
16***47Lines Group-Hydraulic1
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166-4087 Lines Gp-Hydraulic
13***28Clamp; (Half)4
16***49Hose As2
16***87Lines Group-Hydraulic1
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Service Equipment And Supplies
166-4086 Film Gp
14***47Film; (Identification) (24v) (On Outside Of Battery Compartment Door)1
15***33Film-Identification; (12-Volt)1
15***35Film-Warning; (Crush Hazard, Stay Back)2
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166-3942 Film Gp
14***47Film; (Identification) (24v) (On Outside Of Battery Compartment Door)1
15***35Film-Warning; (Crush Hazard, Stay Back)2
15***36Film-Warning; (Read Operation Manual)1
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Work Tool Arrangement
329-8639 Broom Ar
16***86Film Group1
16***87Lines Group-Hydraulic1
16***88Frame Group-Broom1
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155-5021 Broom Ar-Pickup
15***21Broom Ar-Pickup1
15***19Bracket Group-Mounting1
16***86Film Group1
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158-0253 Broom Ar-Pickup
15***53Broom Ar-Pickup1
16***04Bracket Group-Mounting1
16***42Film Group1
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164-8489 Broom Ar-Pickup
16***89Broom Ar-Pickup1
16***04Bracket Group-Mounting1
16***42Film Group1
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352-0180 Broom Ar-Pickup
16***04Bracket Group-Mounting1
16***42Film Group1
16***47Lines Group-Hydraulic1
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Work Tools
158-6319 Bracket Gp-Mounting
15***48Bracket As-Mounting; (Rh)1
15***49U-Bolt8
15***51Bracket As-Mounting; (Lh)1
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165-5504 Bracket Gp-Mounting
15***49U-Bolt8
15***80Bracket As-Mounting; (Rh)1
15***90Bracket As-Mounting; (Lh)1
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166-7228 Brush Gp-Broom
13***61Spacer; (254x275x30-mm Thk)28
15***56Brush-Polypropylene29
16***28Brush Group-Broom1
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166-7229 Brush Gp-Broom
13***61Spacer; (254x275x30-mm Thk)33
15***56Brush-Polypropylene34
16***29Brush Group-Broom1
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352-0484 Brush Gp-Broom
13***61Spacer; (254x275x30-mm Thk)40
15***56Brush-Polypropylene21
20***57Brush As; (Steel)20
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329-8631 Hook Gp-Coupler
15***49U-Bolt8
32***31Hook Group-Coupler1
32***32Plate As-Coupler; (Rh)1
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329-8634 Hook Gp-Coupler
15***49U-Bolt4
32***34Hook Group-Coupler1
32***35Plate-Coupler1
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166-3958 Spray Gp-Water
14***33Clamp6
14***39Fitting-Hose1
14***40Adapter2
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166-3956 Spray Gp-Water
14***26Pump Group-Auxiliary Water1
14***33Clamp1
14***39Fitting-Hose1
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166-4114 Spray Gp-Water
14***33Clamp1
14***39Fitting-Hose1
14***40Adapter2
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BP25 serial number reference

The PIN plate sits on the broom frame near the mount plate or gearbox housing, usually on the side facing the carrier machine; on some units it is riveted to the main tube behind the hopper. Read the first 3 characters as the serial prefix (identifies the specific work-tool model and build series) and the following digits as the unit sequence number.

PrefixIdentifies
AEHBP25 Pick-Up Broom (two hydraulic motors, 12V or 24V electrical), current production

Frequently asked questions

What engine does the Cat BP25 pickup broom have?

The BP25 has no engine of its own. It is a passive, hydraulically driven work tool that draws power from its host carrier machine (skid steer loader, backhoe loader, integrated toolcarrier, or wheel loader) through a hook-type quick coupler and a third auxiliary hydraulic valve, running two hydraulic motors rated to a maximum 385 rpm brush speed.

What is the operating weight of the Cat BP25?

The BP25 weighs approximately 650 kg (1433 lb). It measures about 2700 mm (106 in) overall width with a 2500 mm (98 in) sweeping width, carries a 0.66 m3 hopper, and includes a 400 L (106 gal) integrated water tank for dust suppression.

What replaced the Cat BP25 pickup broom?

No documented successor is confirmed for the BP25. It remains part of Caterpillar's current pickup-broom lineup alongside the BP15, BP18, BP22, and BP24, sized for different carrier classes rather than one superseding another, and continues to be offered new through Cat dealers.

What BP25 owners discuss

What hydraulic flow and pressure does the BP25 actually need, and what happens if the carrier sends too much?
The BP25 runs two hydraulic motors (the smaller BP22 uses one), with an optimal flow window of roughly 40-150 L/min (11-40 gpm) and pressure around 150-260 bar (2176-3771 psi), fed through a third auxiliary circuit on the host machine. Running above the rated flow window is the single biggest cause of premature motor failure on pickup brooms in this class, and most builders treat it as a warranty-voiding condition rather than a gray area. Before hooking up on an unfamiliar carrier, confirm the auxiliary circuit's rated flow against the broom's spec plate rather than assuming any skid steer, backhoe, or wheel loader third function is a safe match.
How long do the bristle sections last, and is uneven wear a sign of a bad broom or bad operation?
Bristle wear on this class of pickup broom is driven far more by adjustment and operator habit than by raw hours. Wear life runs anywhere from roughly 50 hours in aggressive daily use up to much longer service when the broom float is set correctly and the head isn't run pressed hard into the surface. A broom carried too low bends the bristles over and burns through them fast; the suspension is designed to let the head float on the surface without support wheels, so persistent one-sided or premature wear usually points to a bent frame, worn bearing, or incorrect down-pressure setting rather than a defective bristle wafer. Good poly bristle should flex back on itself without snapping when bent by hand — brittle bristle that cracks is past its service life.
What's the deal with the two hydraulic motors versus the single-motor BP22 - does that mean more to go wrong?
The BP25's dual-motor drive (versus one motor on the smaller BP22) is a function of covering the wider broom head, not extra complexity for its own sake. In practice this just means two motor/seal sets to inspect for leaks and two mounting points to keep torqued rather than one, and it doesn't change the basic maintenance routine: check motor case drains, hose fittings, and coupler seats for weeping hydraulic oil at each use, with the machine shut down and pressure relieved before you get hands near a fitting — never check a suspected high-pressure leak with your hand or skin.
Is the reversing (forward/reverse bristle rotation) feature something to worry about mechanically?
Broom heads in this class are bi-directional, but the common advice is to avoid snapping the rotation from forward to reverse to forward again while the head is still spinning down. Doing that repeatedly loads the motor and drive components with shock reversals they aren't designed to absorb continuously, and it shortens motor and coupling life faster than straight-line sweeping wear does. Let the broom coast to a stop, or nearly so, before reversing direction.
How does the integrated water tank and spray system hold up, and what maintenance does it need?
The BP25's integrated tank holds about 400 L (106 gal) and feeds a 12V or 24V electric pump to knock down dust while sweeping — the electrical spec has to match the host machine's system, so confirm 12V vs 24V before ordering or buying used. The recurring maintenance theme on dust-suppression sprayers is nozzle clogging from sediment or debris in the tank; flushing the tank and lines and clearing the nozzle screen periodically, especially after the machine sits idle, keeps the spray pattern consistent. Ask how the water system was used and cleaned when buying used — a tank that never gets used versus one run hard with untreated water are two different maintenance pictures.
The hopper won't fully dump or debris stays packed in the corners - what's going on?
On pickup-style brooms with an internal hopper, packed or stuck debris (string, wire, wet compacted material) is a common complaint, and the practical field fix is to cycle the dump function while rocking the attachment to break the material loose rather than forcing the cylinder against a jam. If the dump cylinder is slow, won't hold position, or the control spool feels sticky, that points to a hydraulic-side issue on the carrier (low fluid, a leaking cylinder seal, or a valve spool gummed up from moisture/varnish after sitting) rather than the broom itself. Because a dump cylinder that won't hold position under load can drop the hopper unexpectedly, have your dealer verify cylinder and valve condition before returning the attachment to service.
What should I actually check when looking at a used BP25?
Walk the coupler interface first — confirm it's a hook-type quick coupler matched to the intended carrier and that the mounting frame isn't cracked or repaired at the coupler ears. Check both hydraulic motors for case-drain weeping and inspect hoses and fittings for chafing or soft spots. Bend a sample of the bristle wafers; they should flex back without cracking, and wear should be even across the head — one-sided wear suggests a bent frame or worn bearing. Cycle the hopper dump function and listen for a smooth cylinder stroke with no hesitation or grinding. Open the water tank, check for sediment or algae buildup, and confirm the spray pump matches the electrical system (12V or 24V) you'll be running it on. Ask for any service history on the motors and drive components, since that's the most expensive part to replace if it's been run outside its rated flow window. Given the potential for a mismatched flow rate to have already damaged a motor internally without visible external signs, have your dealer verify hydraulic motor condition and carrier flow compatibility before you commit to a purchase.

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

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