- Short answer to what is a PTO winch: one driven off the engine or transmission instead of off the batteries.
- PTO names where the power leaves the engine. It does not tell you how the power reaches the drum.
- On a truck it nearly always turns a pump, and the pump turns a hydraulic winch.
- Against a 12V winch of the same rating: six times the line speed, and no published duty cycle.
- Search "PTO winch" and you mostly get tractors. This is about trucks and wreckers.
1. Two Winches on the Same Bank
Last day of an Arctic recovery. The road they came in on is melting, a rig is buried on a bank so steep it would land right side up if it tipped, and there is no more time to be careful with.
Rick anchors the back of it to a root ball frozen into the ground, and tells you exactly how confident he is:
"All right, we're rigged up here, folks. Hopefully that root ball holds."— I Cried… This Arctic Rescue Broke Me (PART 2)
Then they split the job in two. One operator takes the front on electric winches. Rick takes the back.
"I'm going to be running the PTO. We're going to start pulling. Stand by."— I Cried… This Arctic Rescue Broke Me (PART 2)
Two winches, two completely different power sources, pulling on the same vehicle at the same time. That one sentence is the whole subject of this article. So what is he running?
2. What PTO Actually Means
Power take-off. A drive taken off the engine or the transmission to run something that isn't the wheels.
That is the entire idea, and it is older than any winch on the market. OSHA's regulations define the hardware precisely, in 29 CFR 1928.57:
"Power take-off shafts are the shafts and knuckles between the tractor, or other power source, and the first gear set, pulley, sprocket, or other components on power take-off shaft driven equipment."[1]
Read what that definition covers and what it doesn't. It covers the shafts and the knuckles, up to the first gear set. It stops there. It says nothing about what happens after.
Which is why the term confuses people. PTO tells you where the power leaves the engine. It does not tell you how the power arrives at the drum. A take-off can drive equipment mechanically, through shafts into a gearset, which is exactly what that definition describes. Or it can spin a pump, and everything after the pump is oil.
On trucks and wreckers, the second route is the usual one. That's why "PTO winch" and "hydraulic winch" get used as if they were the same words. They aren't, and knowing the difference is what stops you buying the wrong thing.
3. Trucks, Not Tractors
Type "PTO winch" into a search bar and most of what comes back is farm and forestry equipment. Three-point hitch winches. Skidding winches for dragging timber. Entirely real machines, entirely different job.
Nothing on this page is about those. This is winches on trucks and wreckers: pulling vehicles out of places they should not be, and loading them once they're out. The drive principle is shared. The equipment, the ratings, the rigging and the failure modes are not.
If you landed here looking for a tractor winch, this is the wrong page and you should go find a better one.
4. How the Power Gets to the Drum
On a wrecker, the chain runs like this:
- Engine → turns the take-off.
- Take-off → turns a hydraulic pump.
- Pump → pushes oil to a directional valve.
- Valve → sends the oil to one side of a motor on the winch.
- Motor → turns the drum through a gearset. On Warrior's RV10, 17.6:1.[3]
Warrior's manual for those winches names the pressure source directly: the winch "obtains its pressure from the vehicle's existing power steering pump or other hydraulic power," and it gives two supply options, a dedicated pump fitted for the job or the truck's existing steering pump.[2]
Two things follow from that chain, and both of them show up on camera.
No engine, no pull. Nothing stores energy in there. The oil is only under pressure while the pump is turning, and the pump only turns while the engine does. Warrior's operating sequence starts with "1. Start the engine."[2]
The winch doesn't care how long you pull. The engine is already running. A cooling system is already working. That is the whole reason a wrecker is built this way.
Watch how Rick uses it once the first attempt hasn't gone far enough. He doesn't reach for more power. He goes and changes the angle:
"We got dead man on the end of our PTO now and a snatch block in there. To that tree."— I Cried… This Arctic Rescue Broke Me (PART 2)
An anchor on the end of the PTO line, a block to redirect it, and a tree to pull against. The drive system gets you torque. It does not get you a straight line, and no amount of pump will fix a bad angle.
The winch end of a PTO system. 17.6:1 planetary reduction, wet-type hydraulic brake, 15.6 GPM maximum rated input flow, 3,000 psi maximum system pressure. 36 ft/min at full 10,000 lb on the first layer. Four rope layers, 90.4 lb, built to SAE J706. Made by Warrior Winches USA. The take-off, pump, valve and plumbing are not included.
5. PTO vs Electric on the Same Job
That Arctic bank is the ideal test, because both types were working the same vehicle at the same moment. Here is what the two manufacturers' data sheets say about winches of identical rating:
| Hydraulic, off a PTO | 12V electric | |
|---|---|---|
| Where the power comes from | Engine, through a pump | Batteries |
| Duty cycle at rated load | None published | 0:30 in every 10 min |
| Line speed at rated load | 36 ft/min | 5.9 ft/min |
| What it needs supplied | 15.6 GPM at up to 3,000 psi | 365 A at 12 v |
| Install | Take-off, pump, valve, hoses | Bolt on, two leads |
| Weight | 90.4 lb | 70.5 lb |
| Price at Murphy's | $2,499.99 | $999.99 |
The electric winch isn't losing that comparison. It's answering a different question. It goes on in an afternoon, it costs a quarter as much, and for a truck that winches a handful of times a year it is plainly the right call.
But look at row two and row three together. Six times the speed, and no clock on it. On the bank in this episode, the electric winches were doing real work at the front. The PTO is what you run when the job is going to take all afternoon and you cannot stop to let a motor cool.
6. What Goes Wrong
Rarely the winch. Almost always the system around it.
An electric winch fails in about three ways: a contactor, a motor, a bad earth. A PTO system has a take-off, a pump, a valve, a relief valve, a balance valve, a filter, a cooler, a tank, and every hose and fitting between them. Every one of those is a thing that can leak, stick or starve.
Warrior's own manual is specific about the ones that bite:[2]
- No relief valve, no operating. "Hydraulic system needs an relief valve to make sure the system is safe; If there is not relief valve in the system; it would be serious danger and the system can't operation."
- Pressure climbing means stop now. "If there is an abnormal pressure increase in the system, the users must stop using the winch immediately."
- The balance valve is not yours to adjust. Warrior tests and sets it before the winch ships: "Never try to adjust the balance valve yourself use a specialist person or service agent."
- Free spool under load is a runaway. "NEVER release the free-spool clutch when there is a load on the winch as the load will roll backwards."
Read the first one again. That's a manufacturer saying that if one valve is missing, the whole system is dangerous and won't work. On hydraulics somebody else plumbed, you're trusting work you never watched.
Worth reading afterwards: the hydraulic line fix that saved a 76,000 lb climb, and why hydraulic winches need a cooler. The cooler sits right there in Warrior's own system schematic, between the pump and the tank.[2]
7. What Murphy's Sells, and What It Doesn't
Be clear about this before anyone clicks a $2,499.99 button.
Murphy's sells the winch. That is all. No power take-off. No pump. No valve, hoses or fittings. Warrior's own manual lists even the selector valve as "(Not Included)",[2] and the pump comes from the truck. The store does not do the install and does not quote it.
So the order of operations is backwards from what most people do. Talk to a hydraulics or body shop about what your truck has and what it would take, and get that number. Then decide about a winch. On a truck with no take-off and no pump, the winch can be the smaller half of the bill.
And if that answer is no? Then it is an electric winch, and that's not a consolation prize. Rick had electric winches working the front of this same recovery.
4,000 lb in a carry case. The product page: "This winch requires no mounting or setup."
Bolts on, two leads, 365 A at rated pull. 30 seconds of pulling in every 10 minutes at full load.
15.6 GPM, 36 ft/min at rated load, wet-type hydraulic brake, no published duty cycle.
Same series, half again the rating. Check the frame and the pump can carry it first.
A PTO shaft turns whenever the drive is engaged, whether or not the winch is doing anything. Every line below is quoted from OSHA's regulations or from Warrior's manual.
- Guards stay on. OSHA: "All power take-off shafts, including rear, mid- or side-mounted shafts, shall be guarded either by a master shield… or by other protective guarding." And: "Keep all guards in place when the machine is in operation."[1]
- Engine off before you touch it. OSHA: "Stop engine, disconnect the power source, and wait for all machine movement to stop before servicing, adjusting, cleaning, or unclogging the equipment."[1]
- Look before you engage. OSHA: "Make sure everyone is clear of machinery before starting the engine, engaging power, or operating the machine."[1]
- Loose clothing is the hazard. A turning shaft does not need to be fast to take a sleeve. Warrior: "Do not wear loose clothing or jewelry as they can be caught in moving parts."[2]
- Clutch in before you start. "Make sure clutch is totally engaged before starting any winch operation."[2]
- Never free-spool under load. "NEVER release the free-spool clutch when there is a load on the winch as the load will roll backwards."[2]
- Five turns on the drum. "Always leave at least five turns of cable on the drum."[2]
- Sling the anchor, never the hook. "ALWAYS use a sling or strap as an anchor point on a object, Never use the cable or hook as a anchor point attached to an object."[2]
- Blanket over the line. "When pulling a heavy load, place a blanket or jacket over the wire rope five or six feet from the hook because in the event of a broken cable it will dampen the force."[2]
- It is not a parking brake. "DO NOT use your winch as securing device it is not designed for this."[2]
Sources
- OSHA, 29 CFR 1928.57, "Guarding of farm field equipment, farmstead equipment, and cotton gins" — power take-off definition, guarding and operating practices. Fetched and confirmed verbatim 2026-09-19, and cross-checked against the eCFR text of the same section. osha.gov/laws-regs/regulations/standardnumber/1928/1928.57
- Warrior Winches, "RV Winches — Owner's Manual" (US). Fetched as PDF and confirmed verbatim 2026-09-19. WW_RV_Winches_OM_US.pdf
- Warrior Winches, engineering specifications sheet, part 10RVAHY-CAD (RV10). Fetched as PDF and confirmed verbatim 2026-09-19. WW_10RVAHY-CAD_Specifications_US.pdf
- Warrior Winches, engineering specifications sheet, part 10FT2A12-CAD (Gladiator V2 F-Type), used for the electric column. Fetched as PDF 2026-09-19. WW_10FT2A12-CAD_Specifications_US.pdf
- RV10 and RV15 product pages — prices and stock. Fetched 2026-09-19. murphysdiesel.com/products/rv10-10-000lb-4-5-ton-industrial-hydraulic-winch-synthetic-rope
It Names the Drive, Not the Winch
PTO tells you the power came off the engine. On a truck that usually means a pump, and the winch on the end of it is hydraulic. What you get is speed and no clock. What you pay for is a take-off, a pump and a plumbing job the store does not sell or quote. On the Arctic bank in this episode, both kinds were pulling at once, and that is the honest picture of it.