1. Overview
A tractor with a forestry crane is a versatile machine that combines the mobility and power of an agricultural or forestry tractor with a hydraulic knuckle boom crane. This combination allows a single operator and machine to handle the entire timber cycle—from felling and delimbing to loading, forwarding, and transport preparation.
Unlike dedicated forwarders or harvesters, tractor-crane combinations offer greater flexibility, lower acquisition costs, and the ability to use the tractor for other agricultural tasks when the crane is removed. They are ideal for small-to-medium scale forestry operations, estate management, arboriculture, and firewood production.
Modern setups feature advanced control systems, remote operation, comprehensive safety guarding, and quick-attach systems that allow cranes to be mounted or removed in minutes.
2. Key Features
Knuckle boom crane mounted on tractor – Articulated folding arm for flexible loading in tight forest stands
Rear 3-point linkage or subframe mounting – Crane mounts to tractor's rear hitch or dedicated mounting kit
PTO-driven hydraulics or self-contained system – Powered by tractor's hydraulics or independent pump unit
Full forestry guarding – Protective grilles for cab windows, lights, and vulnerable components
Remote control operation – Radio remote allows operator to work safely outside the cab
Hydraulic stabilizer legs – Outriggers provide stability during crane operation
Multiple crane sizes – Reach from 4m to 10m+, capacities from 500kg to 2,000kg+
Grapple with rotator – Secure log handling with 360° positioning
Quick-change systems – Allows crane removal for normal agricultural use
Camera systems – HD cameras on boom for improved visibility
3. System Configurations
Tractor with forestry crane setups fall into three main configurations:
| Configuration | Description | Best For |
| Tractor + Rear-Mounted Crane | Crane mounted on 3-point linkage or subframe at rear; tractor used for transport and power | General forestry, firewood, estate management |
| Tractor + Crane + Forestry Trailer | Crane mounted on tractor or trailer; trailer carries timber | Medium-scale forwarding, contract logging |
| Dedicated Forestry Tractor | Tractor purpose-built for forestry (e.g., Pm Trac) with integrated crane mounting | Professional forestry, steep terrain, high-intensity operations |
4. Specifications (Representative Models)
Tractor + Crane Combo – Valtra T234 + Cranab EC10 ("Dark Knight")
This UK-first combination represents a state-of-the-art tractor-crane setup .
| Component | Specification |
| Tractor | Valtra T234 |
| Crane model | Cranab EC10 |
| Max reach | 10 m (with double extension) |
| Lifting capacity at full reach | 600 kg |
| Grapple | Cranab 0.28 with GMT grapple saw |
| Mounting kit | Jake 904 |
| Rotator | Indexator 6-tonne |
| Control system | Parker IQAN with mini-levers in armrest |
| Remote control | Full remote operation + remote stop for training |
| Lighting | LED package on crane and tractor |
| Cameras | HD cameras on dipper boom and main boom |
| Guarding | Full body armor along entire tractor length |
| Special features | Reversible to standard agricultural tractor for resale |
Source:
Dedicated Forestry Tractor – Pfanzelt Pm Trac
Unlike agricultural tractor conversions, the Pm Trac is designed from the ground up for forestry .
| Parameter | Value |
| Engine power | 205 – 292 hp (six-cylinder) |
| Transmission | variaDRIVE continuously variable, up to 50 km/h |
| Hydraulic system | 160 l/min at 210 bar (optional 200 l/min) |
| Fuel tank | 400 L |
| Cab | XXL comfort cab with rotating operator stand |
| Crane mounting | Rear body space above rear axle with system mount |
| Changeover time | Crane/winch change within 20 minutes (tool-less) |
| Unique feature | Front axle lock integrated into frame for stability |
| PTO access | Rear PTO accessible even with crane mounted |
| Multi-function | Can run mulcher, energy wood grapple, felling unit on crane |
Source:
Tractor-Mounted Crane – Rabaud XYLOGRUE
A 3-point hitch mounted crane for agricultural tractors .
| Parameter | XYLOGRUE 6.75 | XYLOGRUE 8.00 | XYLOGRUE 8.00 PRO |
| Max reach | 6.75 m | 8.00 m | 8.00 m |
| Lifting capacity | 500 kg | 475 kg | 800 kg |
| Telescope length | 1.25 m | 1.25 m | 1.80 m |
| Rotation angle | 370° | 370° | 370° |
| Rotation torque | 13 kNm | 13 kNm | 19 kNm |
| Weight (crane only) | 835 kg | 870 kg | 1,300 kg |
| Working pressure | 200 bar | 200 bar | 200 bar |
| Oil flow required | 20-60 L/min | 20-60 L/min | 40-80 L/min |
| Grapple opening | 1.27 m | 1.27 m | 1.50 m |
| Stabilization | Flap-down stands with non-return valves | Same | Same |
Sources:
Tractor-Mounted Crane – Krpan 3-T GD 6,6 K
A robust 3-point hitch crane with self-contained hydraulics .
| Parameter | Value |
| Max reach | 6.6 m (7.2 m with grab open) |
| Lifting torque (net) | 40 kNm |
| Lifting capacity at 4 m (with grab) | 1,020 kg |
| Lifting capacity at max reach | 600 kg |
| Weight | 900 kg |
| Slew torque | 16 kNm |
| Slewing angle | 375° |
| System pressure | 220 bar |
| Oil tank | 70 L (self-contained) |
| Telescopic stages | 1 |
| Support legs | Flap-down 3T |
| Control | Proportional hydraulic joysticks (standard); radio remote (optional) |
| Rotator | 30 kN (standard) |
| Grab | GR 120 with flange (standard) |
Source:
Tractor Crane – Cranab FC45 (Forwarder Crane for Tractors)
Designed for smaller forwarders and agricultural tractors .
| Parameter | Version 1 | Version 2 |
| Max reach | 6.1 m | 8.0 m |
| Lifting torque (gross) | 45.6 kNm | 45.6 kNm |
| Lifting force at max reach | 5.6 kN (~570 kg) | 3.5 kN (~357 kg) |
| Boom extension | 1.55 m | 3.21 m |
| Slew torque (gross) | 13.0 kNm | 13.0 kNm |
| Angle of rotation | 380° | 380° |
| Working pressure | 19.0 MPa | 19.0 MPa |
| Recommended flow | 40-80 L/min | 40-80 L/min |
| Weight | 650 kg | 795 kg |
Source:
Tractor Crane – DIBO TC Series (Chinese Manufacturer)
A range of tractor-mounted timber cranes with various reach options .
| Model | TC420 | TC470 | TC550 | TC600 | TC650 | TC780L |
| Arm length (m) | 4.2 | 4.7 | 5.5 | 6.0 | 6.5 | 7.8 |
| Lifting force at 4m (kg) | 550 | 540 | 770 | 780 | 750 | — |
| Lifting at full length (kg) | 520 | 480 | 540 | 500 | 500 | 580 |
| Rotary torque (kNm) | 11 | 11 | 11 | 11 | 11 | 18 |
| Rotation angle | 380° | 380° | 380° | 380° | 380° | 380° |
| Rotation cylinders | 4 | 4 | 4 | 4 | 4 | 4 |
| Telescopic boom | No | Yes | Yes | Yes | Yes | Yes |
| Working pressure (MPa) | 18 | 18 | 18 | 20 | 20 | 22 |
| Recommended flow (L/min) | 30-45 | 30-45 | 40-50 | 40-50 | 40-50 | 45-70 |
Source:
KESLA Tractor Attachments & Cranes
KESLA (formerly PATU) is a Finnish manufacturer specializing in tractor-mounted forestry equipment with over 60 years of experience . Their product range includes:
Timber cranes – For short and long wood handling, bioenergy processing
Timber trailers – 30+ years experience, various sizes
Loaders – Designed for efficiency, usability, and safety
Chippers – For bioenergy and wood chip production
KESLA cranes meet EN12999:2011 HC1/HD4/B4 standards .
5. Key Technologies & Features
| Feature | Description | Benefit |
| Parker IQAN control system | Advanced electronic control with mini-levers integrated into tractor armrests | Precise crane control, programmable functions |
| Full remote control | Operate crane from outside cab via radio remote | Safe operation at distance, better visibility |
| Remote stop function | Instructor can override student controls remotely | Training safety, emergency stop capability |
| HD camera system | Magnetically mounted cameras on dipper boom and main boom | Constant attachment visibility, safer slewing |
| Integrated hose routing | Hoses protected inside boom structure | Longer hose life, reduced snagging |
| Load-sensing hydraulics | Parker L90 load-sensing valve | Efficient power delivery, smooth operation |
| Flap-down stabilizers | Hydraulic support legs with non-return valves | Quick setup, stable operation on uneven ground |
| Parallelogram system | Cylinder of 2nd arm with parallelogram design | Better ergonomics, easier operation |
| Quick-change system | Pfanzelt system mount – tool-less crane/winch change | 20-minute changeover, multi-function use |
| Internal rotator | Indexator rotator with internal hose routing | 360° grapple rotation, cleaner installation |
| Proportional joysticks | Low-pressure proportional control | Smooth, precise crane movements |
6. Applications
| Application | Typical Work | Recommended Setup |
| Small-scale forestry / firewood | Felling, delimbing, cutting, stacking logs | Tractor + 3-point crane (6-7m reach) + trailer |
| Estate management | Woodland maintenance, selective harvesting | Tractor + rear crane + winch |
| Arboriculture / tree surgery | Dismantling trees up to 50-60 ft, grapple saw work | Valtra/Cranab combo with grapple saw |
| Commercial logging | Forwarding long and short timber | Dedicated forestry tractor (Pm Trac) + crane + winch |
| Training & education | Crane operation training, forwarder simulation | Tractor with dual controls, remote stop, cameras |
| Bioenergy / wood chip | Loading chipper, handling energy wood | Tractor + crane + chipper combination |
| Forest road maintenance | Clearing, mulching, brush cutting | Tractor + crane with mulching head |
| Log loading at roadside | Loading logs onto trucks for transport | Tractor + crane (8m+ reach) |
7. Mounting & Compatibility
7.1 Mounting Methods
| Method | Description | Pros | Cons |
| 3-Point Linkage | Crane attaches to tractor's rear 3-point hitch | Easy mounting/dismounting, lower cost | Limited stability for heavy lifts |
| Subframe / Mounting Kit | Dedicated frame bolted to tractor chassis (e.g., Jake 904) | Greater stability, better weight distribution | Permanent installation, higher cost |
| System Mount (Pfanzelt) | Tool-less quick-change system on dedicated forestry tractor | Fast changeover (20 min), integrated design | Requires dedicated forestry tractor |
7.2 Tractor Requirements
| Requirement | Minimum | Recommended |
| Engine power | 80-100 hp for small cranes | 150-250 hp for professional use |
| Hydraulic flow | 30 L/min | 40-80 L/min (depending on crane) |
| PTO | Standard 540/1000 rpm | For hydraulic pump if not using tractor hydraulics |
| Rear lift capacity | 1,500 kg+ | 2,500 kg+ for larger cranes |
| Weight | 4,000 kg+ | 6,000 kg+ for stability |
| Cab guarding | None for occasional use | Full forestry guarding for professional use |
8. Reversibility & Resale Value
A key consideration for many buyers is the ability to remove the crane and return the tractor to standard agricultural use. Clark Engineering's installation on the Valtra T234 demonstrates best practices :
No permanent cab alterations – Custom plastic-printed facias fit into original dashboard
Removable control system – Mini-levers and IQAN system can be completely removed
Hose bracket design – Support bracket prevents damage to rear window
Full reversibility – Tractor can be sold as standard agricultural model when crane is removed
This approach preserves resale value and maximizes the tractor's utility across seasons.
9. Safety Features
| Safety Feature | Function |
| Full forestry guarding | Protects cab windows, lights, and operator from falling debris |
| Hydraulic stabilizer legs | Prevents tipping during crane operation |
| Non-return valves | Prevents uncontrolled descent if hydraulic line fails |
| Remote stop function | Instructor/observer can override controls remotely |
| Camera system | Provides visibility of attachment and slewing area |
| Emergency stop | Located on both cab and remote controls |
| Load moment indicator | Prevents overloading (available on premium systems) |
| Tilt alarm | Alerts operator when operating beyond safe slope limits |
10. Buying Guide
10.1 Key Selection Factors
| Factor | Consideration |
| Typical log size & weight | Determines required crane lifting capacity and reach |
| Annual volume | Higher volume justifies dedicated forestry tractor |
| Operating terrain | Flat vs. steep vs. wet ground affects stability requirements |
| Tractor availability | Do you have a suitable tractor, or need complete package? |
| Multi-use requirements | Will tractor be used for agriculture when not logging? |
| Training needs | If used for training, consider dual controls and remote stop |
| Local regulations | Road transport limits, forestry certification requirements |
| New vs. used | Used equipment may offer better value but requires inspection |
10.2 New vs. Used Considerations
| Aspect | New | Used |
| Warranty | Full manufacturer warranty | Limited or none |
| Technology | Latest controls, cameras, safety systems | Older technology |
| Condition | Perfect | Inspect for wear, cracks, hydraulic leaks |
| Customization | Fully customizable | As-is |
| Resale value | Higher initial depreciation | Lower depreciation |
| Best for | Long-term ownership, critical operations | Budget-conscious, occasional use |
10.3 Pre-Purchase Inspection Checklist (Used Equipment)
Crane boom: Check for cracks, corrosion, weld failures, or dents
Hydraulic system: Inspect for leaks, hose condition, cylinder seals
Grapple and rotator: Verify smooth operation and grip strength
Tractor chassis: Look for damage, cracks, excessive rust
Engine and transmission: Check service history, operating hours
Guarding: Verify all protective structures are intact
Control system: Test all functions, including remote control and camera system
Stabilizers: Check operation and cylinder condition
Service records: Request complete maintenance history
Reversibility: Confirm crane can be removed without permanent modifications
11. Leading Brands
| Brand | Specialization | Key Strengths |
| Pfanzelt | Dedicated forestry tractors | Pm Trac series; only true forestry tractor on market; system mount |
| Cranab | Forestry cranes | EC and FC series; robust design; internal hose routing |
| KESLA | Tractor attachments & cranes | 60+ years experience; PATU series; EN12999 certified |
| Rabaud | 3-point forestry cranes | XYLOGRUE series; 6.75-8m reach; parallelogram system |
| Krpan (Vitli) | Tractor forestry cranes | 3-T GD series; self-contained hydraulics; 1,020kg capacity at 4m |
| Valtra | Forestry tractors | T234 model; popular for crane conversions; good resale value |
| Clark Engineering | Crane installation specialist | Jake mounting kits; IQAN controls; reversible installations |
| DIBO | Chinese manufacturer | TC series; multiple reach options; budget-friendly |
12. Delivery & Service
| Item | Details |
| Lead time (new tractor + crane) | 3-6 months (depends on manufacturer and customization) |
| Lead time (crane only) | 2-4 months for European brands; stock available for Chinese models |
| Delivery | Flat rack / RORO / Container |
| Warranty (new) | Typically 12 months (tractor and crane) |
| Certification | CE, ISO 9001 (varies by market) |
| Service network | Available through manufacturer dealers; regional distributors |
| Training | Operator training available from manufacturers/distributors |
| Installation services | Clark Engineering (UK) and other specialists offer turnkey installation |
